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Finding the Fourth Proportional to 496,737.78, 745,113.65 and 141,751.83

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Solution

The fourth proportional to 496,737.78, 745,113.65 and 141,751.83 is: 212,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,737.78 : 745,113.65 = 141,751.83 : x
  2. Step 2: Convert to fraction form
    496,737.78/745,113.65 = 141,751.83/x
  3. Step 3: Cross multiply
    496,737.78x = 745,113.65 × 141,751.83
  4. Step 4: Simplify right side
    496,737.78x = 105,621,226,594.04
  5. Step 5: Solve for x
    x = 105,621,226,594.04/496,737.78
  6. Step 6: Final answer
    x = 212,629.74

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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.