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Finding the Fourth Proportional to 367,006.35, 550,509.53 and 260,718.15

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Solution

The fourth proportional to 367,006.35, 550,509.53 and 260,718.15 is: 391,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,006.35 : 550,509.53 = 260,718.15 : x
  2. Step 2: Convert to fraction form
    367,006.35/550,509.53 = 260,718.15/x
  3. Step 3: Cross multiply
    367,006.35x = 550,509.53 × 260,718.15
  4. Step 4: Simplify right side
    367,006.35x = 143,527,826,218.97
  5. Step 5: Solve for x
    x = 143,527,826,218.97/367,006.35
  6. Step 6: Final answer
    x = 391,077.23

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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.