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Finding the Fourth Proportional to 585,531.50, 808,034.04 and 317,259.50

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Solution

The fourth proportional to 585,531.50, 808,034.04 and 317,259.50 is: 437,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,531.50 : 808,034.04 = 317,259.50 : x
  2. Step 2: Convert to fraction form
    585,531.50/808,034.04 = 317,259.50/x
  3. Step 3: Cross multiply
    585,531.50x = 808,034.04 × 317,259.50
  4. Step 4: Simplify right side
    585,531.50x = 256,356,475,513.38
  5. Step 5: Solve for x
    x = 256,356,475,513.38/585,531.50
  6. Step 6: Final answer
    x = 437,818.42

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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.