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Finding the Fourth Proportional to 475,192.83, 655,762.35 and 257,396.79

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Solution

The fourth proportional to 475,192.83, 655,762.35 and 257,396.79 is: 355,205.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,192.83 : 655,762.35 = 257,396.79 : x
  2. Step 2: Convert to fraction form
    475,192.83/655,762.35 = 257,396.79/x
  3. Step 3: Cross multiply
    475,192.83x = 655,762.35 × 257,396.79
  4. Step 4: Simplify right side
    475,192.83x = 168,791,123,892.86
  5. Step 5: Solve for x
    x = 168,791,123,892.86/475,192.83
  6. Step 6: Final answer
    x = 355,205.54

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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.