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Finding the Fourth Proportional to 581,932.29, 872,898.92 and 278,255.00

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Solution

The fourth proportional to 581,932.29, 872,898.92 and 278,255.00 is: 417,382.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,932.29 : 872,898.92 = 278,255.00 : x
  2. Step 2: Convert to fraction form
    581,932.29/872,898.92 = 278,255.00/x
  3. Step 3: Cross multiply
    581,932.29x = 872,898.92 × 278,255.00
  4. Step 4: Simplify right side
    581,932.29x = 242,888,483,228.83
  5. Step 5: Solve for x
    x = 242,888,483,228.83/581,932.29
  6. Step 6: Final answer
    x = 417,382.72

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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.