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Finding the Fourth Proportional to 496,281.87, 744,402.29 and 159,341.72

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Solution

The fourth proportional to 496,281.87, 744,402.29 and 159,341.72 is: 239,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,281.87 : 744,402.29 = 159,341.72 : x
  2. Step 2: Convert to fraction form
    496,281.87/744,402.29 = 159,341.72/x
  3. Step 3: Cross multiply
    496,281.87x = 744,402.29 × 159,341.72
  4. Step 4: Simplify right side
    496,281.87x = 118,614,336,741.82
  5. Step 5: Solve for x
    x = 118,614,336,741.82/496,281.87
  6. Step 6: Final answer
    x = 239,005.98

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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.