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Finding the Fourth Proportional to 499,084.92, 749,015.58 and 348,345.94

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Solution

The fourth proportional to 499,084.92, 749,015.58 and 348,345.94 is: 522,789.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,084.92 : 749,015.58 = 348,345.94 : x
  2. Step 2: Convert to fraction form
    499,084.92/749,015.58 = 348,345.94/x
  3. Step 3: Cross multiply
    499,084.92x = 749,015.58 × 348,345.94
  4. Step 4: Simplify right side
    499,084.92x = 260,916,536,289.75
  5. Step 5: Solve for x
    x = 260,916,536,289.75/499,084.92
  6. Step 6: Final answer
    x = 522,789.86

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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.