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Finding the Fourth Proportional to 554,997.80, 832,496.70 and 302,180.60

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Solution

The fourth proportional to 554,997.80, 832,496.70 and 302,180.60 is: 453,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,997.80 : 832,496.70 = 302,180.60 : x
  2. Step 2: Convert to fraction form
    554,997.80/832,496.70 = 302,180.60/x
  3. Step 3: Cross multiply
    554,997.80x = 832,496.70 × 302,180.60
  4. Step 4: Simplify right side
    554,997.80x = 251,564,352,304.02
  5. Step 5: Solve for x
    x = 251,564,352,304.02/554,997.80
  6. Step 6: Final answer
    x = 453,270.90

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.