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Finding the Fourth Proportional to 531,528.16, 797,665.86 and 480,709.12

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Solution

The fourth proportional to 531,528.16, 797,665.86 and 480,709.12 is: 721,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,528.16 : 797,665.86 = 480,709.12 : x
  2. Step 2: Convert to fraction form
    531,528.16/797,665.86 = 480,709.12/x
  3. Step 3: Cross multiply
    531,528.16x = 797,665.86 × 480,709.12
  4. Step 4: Simplify right side
    531,528.16x = 383,445,253,614.64
  5. Step 5: Solve for x
    x = 383,445,253,614.64/531,528.16
  6. Step 6: Final answer
    x = 721,401.58

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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.