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Finding the Fourth Proportional to 531,202.28, 733,059.28 and 289,484.92

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Solution

The fourth proportional to 531,202.28, 733,059.28 and 289,484.92 is: 399,489.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,202.28 : 733,059.28 = 289,484.92 : x
  2. Step 2: Convert to fraction form
    531,202.28/733,059.28 = 289,484.92/x
  3. Step 3: Cross multiply
    531,202.28x = 733,059.28 × 289,484.92
  4. Step 4: Simplify right side
    531,202.28x = 212,209,607,026.06
  5. Step 5: Solve for x
    x = 212,209,607,026.06/531,202.28
  6. Step 6: Final answer
    x = 399,489.26

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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.