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Finding the Fourth Proportional to 664,059.92, 990,910.55 and 592,490.57

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Solution

The fourth proportional to 664,059.92, 990,910.55 and 592,490.57 is: 884,114.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,059.92 : 990,910.55 = 592,490.57 : x
  2. Step 2: Convert to fraction form
    664,059.92/990,910.55 = 592,490.57/x
  3. Step 3: Cross multiply
    664,059.92x = 990,910.55 × 592,490.57
  4. Step 4: Simplify right side
    664,059.92x = 587,105,148,671.51
  5. Step 5: Solve for x
    x = 587,105,148,671.51/664,059.92
  6. Step 6: Final answer
    x = 884,114.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.