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Finding the Fourth Proportional to 585,391.04, 807,839.52 and 317,119.04

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Solution

The fourth proportional to 585,391.04, 807,839.52 and 317,119.04 is: 437,624.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,391.04 : 807,839.52 = 317,119.04 : x
  2. Step 2: Convert to fraction form
    585,391.04/807,839.52 = 317,119.04/x
  3. Step 3: Cross multiply
    585,391.04x = 807,839.52 × 317,119.04
  4. Step 4: Simplify right side
    585,391.04x = 256,181,293,056.46
  5. Step 5: Solve for x
    x = 256,181,293,056.46/585,391.04
  6. Step 6: Final answer
    x = 437,624.21

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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.