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Finding the Fourth Proportional to 589,255.20, 813,143.34 and 334,600.92

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Solution

The fourth proportional to 589,255.20, 813,143.34 and 334,600.92 is: 461,732.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,255.20 : 813,143.34 = 334,600.92 : x
  2. Step 2: Convert to fraction form
    589,255.20/813,143.34 = 334,600.92/x
  3. Step 3: Cross multiply
    589,255.20x = 813,143.34 × 334,600.92
  4. Step 4: Simplify right side
    589,255.20x = 272,078,509,655.87
  5. Step 5: Solve for x
    x = 272,078,509,655.87/589,255.20
  6. Step 6: Final answer
    x = 461,732.90

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1.5x scale

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.