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Finding the Fourth Proportional to 434,438.01, 599,524.04 and 243,452.76

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Solution

The fourth proportional to 434,438.01, 599,524.04 and 243,452.76 is: 335,964.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,438.01 : 599,524.04 = 243,452.76 : x
  2. Step 2: Convert to fraction form
    434,438.01/599,524.04 = 243,452.76/x
  3. Step 3: Cross multiply
    434,438.01x = 599,524.04 × 243,452.76
  4. Step 4: Simplify right side
    434,438.01x = 145,955,781,007.09
  5. Step 5: Solve for x
    x = 145,955,781,007.09/434,438.01
  6. Step 6: Final answer
    x = 335,964.57

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Half scale
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Double scale
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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.