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Finding the Fourth Proportional to 585,034.20, 877,551.30 and 372,457.80

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Solution

The fourth proportional to 585,034.20, 877,551.30 and 372,457.80 is: 558,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,034.20 : 877,551.30 = 372,457.80 : x
  2. Step 2: Convert to fraction form
    585,034.20/877,551.30 = 372,457.80/x
  3. Step 3: Cross multiply
    585,034.20x = 877,551.30 × 372,457.80
  4. Step 4: Simplify right side
    585,034.20x = 326,850,826,585.14
  5. Step 5: Solve for x
    x = 326,850,826,585.14/585,034.20
  6. Step 6: Final answer
    x = 558,686.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.