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Finding the Fourth Proportional to 617,527.66, 852,169.82 and 341,897.78

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Solution

The fourth proportional to 617,527.66, 852,169.82 and 341,897.78 is: 471,808.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,527.66 : 852,169.82 = 341,897.78 : x
  2. Step 2: Convert to fraction form
    617,527.66/852,169.82 = 341,897.78/x
  3. Step 3: Cross multiply
    617,527.66x = 852,169.82 × 341,897.78
  4. Step 4: Simplify right side
    617,527.66x = 291,354,969,641.00
  5. Step 5: Solve for x
    x = 291,354,969,641.00/617,527.66
  6. Step 6: Final answer
    x = 471,808.78

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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.