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Finding the Fourth Proportional to 590,006.30, 813,913.94 and 372,484.56

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Solution

The fourth proportional to 590,006.30, 813,913.94 and 372,484.56 is: 513,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,006.30 : 813,913.94 = 372,484.56 : x
  2. Step 2: Convert to fraction form
    590,006.30/813,913.94 = 372,484.56/x
  3. Step 3: Cross multiply
    590,006.30x = 813,913.94 × 372,484.56
  4. Step 4: Simplify right side
    590,006.30x = 303,170,375,818.77
  5. Step 5: Solve for x
    x = 303,170,375,818.77/590,006.30
  6. Step 6: Final answer
    x = 513,842.61

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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.