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Finding the Fourth Proportional to 589,291.61, 813,200.85 and 360,232.52

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Solution

The fourth proportional to 589,291.61, 813,200.85 and 360,232.52 is: 497,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,291.61 : 813,200.85 = 360,232.52 : x
  2. Step 2: Convert to fraction form
    589,291.61/813,200.85 = 360,232.52/x
  3. Step 3: Cross multiply
    589,291.61x = 813,200.85 × 360,232.52
  4. Step 4: Simplify right side
    589,291.61x = 292,941,387,395.64
  5. Step 5: Solve for x
    x = 292,941,387,395.64/589,291.61
  6. Step 6: Final answer
    x = 497,107.69

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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.