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Finding the Fourth Proportional to 585,504.17, 807,684.08 and 356,131.61

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Solution

The fourth proportional to 585,504.17, 807,684.08 and 356,131.61 is: 491,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,504.17 : 807,684.08 = 356,131.61 : x
  2. Step 2: Convert to fraction form
    585,504.17/807,684.08 = 356,131.61/x
  3. Step 3: Cross multiply
    585,504.17x = 807,684.08 × 356,131.61
  4. Step 4: Simplify right side
    585,504.17x = 287,641,825,962.69
  5. Step 5: Solve for x
    x = 287,641,825,962.69/585,504.17
  6. Step 6: Final answer
    x = 491,272.04

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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.