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Finding the Fourth Proportional to 522,705.98, 721,587.64 and 350,560.94

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Solution

The fourth proportional to 522,705.98, 721,587.64 and 350,560.94 is: 483,944.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,705.98 : 721,587.64 = 350,560.94 : x
  2. Step 2: Convert to fraction form
    522,705.98/721,587.64 = 350,560.94/x
  3. Step 3: Cross multiply
    522,705.98x = 721,587.64 × 350,560.94
  4. Step 4: Simplify right side
    522,705.98x = 252,960,441,370.78
  5. Step 5: Solve for x
    x = 252,960,441,370.78/522,705.98
  6. Step 6: Final answer
    x = 483,944.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.