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Finding the Fourth Proportional to 529,000.40, 793,500.60 and 502,756.40

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Solution

The fourth proportional to 529,000.40, 793,500.60 and 502,756.40 is: 754,134.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,000.40 : 793,500.60 = 502,756.40 : x
  2. Step 2: Convert to fraction form
    529,000.40/793,500.60 = 502,756.40/x
  3. Step 3: Cross multiply
    529,000.40x = 793,500.60 × 502,756.40
  4. Step 4: Simplify right side
    529,000.40x = 398,937,505,053.84
  5. Step 5: Solve for x
    x = 398,937,505,053.84/529,000.40
  6. Step 6: Final answer
    x = 754,134.60

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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.