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Finding the Fourth Proportional to 499,838.64, 749,757.36 and 162,878.76

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Solution

The fourth proportional to 499,838.64, 749,757.36 and 162,878.76 is: 244,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,838.64 : 749,757.36 = 162,878.76 : x
  2. Step 2: Convert to fraction form
    499,838.64/749,757.36 = 162,878.76/x
  3. Step 3: Cross multiply
    499,838.64x = 749,757.36 × 162,878.76
  4. Step 4: Simplify right side
    499,838.64x = 122,119,549,097.67
  5. Step 5: Solve for x
    x = 122,119,549,097.67/499,838.64
  6. Step 6: Final answer
    x = 244,317.94

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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.