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Finding the Fourth Proportional to 711,796.73, 982,298.76 and 436,149.80

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Solution

The fourth proportional to 711,796.73, 982,298.76 and 436,149.80 is: 601,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,796.73 : 982,298.76 = 436,149.80 : x
  2. Step 2: Convert to fraction form
    711,796.73/982,298.76 = 436,149.80/x
  3. Step 3: Cross multiply
    711,796.73x = 982,298.76 × 436,149.80
  4. Step 4: Simplify right side
    711,796.73x = 428,429,402,802.75
  5. Step 5: Solve for x
    x = 428,429,402,802.75/711,796.73
  6. Step 6: Final answer
    x = 601,898.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.