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Finding the Fourth Proportional to 475,561.74, 656,342.79 and 294,332.04

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Solution

The fourth proportional to 475,561.74, 656,342.79 and 294,332.04 is: 406,220.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,561.74 : 656,342.79 = 294,332.04 : x
  2. Step 2: Convert to fraction form
    475,561.74/656,342.79 = 294,332.04/x
  3. Step 3: Cross multiply
    475,561.74x = 656,342.79 × 294,332.04
  4. Step 4: Simplify right side
    475,561.74x = 193,182,712,319.99
  5. Step 5: Solve for x
    x = 193,182,712,319.99/475,561.74
  6. Step 6: Final answer
    x = 406,220.05

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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.