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Finding the Fourth Proportional to 500,534.60, 750,801.90 and 406,056.20

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Solution

The fourth proportional to 500,534.60, 750,801.90 and 406,056.20 is: 609,084.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,534.60 : 750,801.90 = 406,056.20 : x
  2. Step 2: Convert to fraction form
    500,534.60/750,801.90 = 406,056.20/x
  3. Step 3: Cross multiply
    500,534.60x = 750,801.90 × 406,056.20
  4. Step 4: Simplify right side
    500,534.60x = 304,867,766,466.78
  5. Step 5: Solve for x
    x = 304,867,766,466.78/500,534.60
  6. Step 6: Final answer
    x = 609,084.30

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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.