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Finding the Fourth Proportional to 468,500.64, 646,526.40 and 253,635.12

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Solution

The fourth proportional to 468,500.64, 646,526.40 and 253,635.12 is: 350,014.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,500.64 : 646,526.40 = 253,635.12 : x
  2. Step 2: Convert to fraction form
    468,500.64/646,526.40 = 253,635.12/x
  3. Step 3: Cross multiply
    468,500.64x = 646,526.40 × 253,635.12
  4. Step 4: Simplify right side
    468,500.64x = 163,981,801,047.17
  5. Step 5: Solve for x
    x = 163,981,801,047.17/468,500.64
  6. Step 6: Final answer
    x = 350,014.04

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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.