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Finding the Fourth Proportional to 555,438.74, 833,158.11 and 156,063.38

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Solution

The fourth proportional to 555,438.74, 833,158.11 and 156,063.38 is: 234,095.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,438.74 : 833,158.11 = 156,063.38 : x
  2. Step 2: Convert to fraction form
    555,438.74/833,158.11 = 156,063.38/x
  3. Step 3: Cross multiply
    555,438.74x = 833,158.11 × 156,063.38
  4. Step 4: Simplify right side
    555,438.74x = 130,025,470,721.01
  5. Step 5: Solve for x
    x = 130,025,470,721.01/555,438.74
  6. Step 6: Final answer
    x = 234,095.07

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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.