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Finding the Fourth Proportional to 570,777.92, 856,176.48 and 215,959.04

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Solution

The fourth proportional to 570,777.92, 856,176.48 and 215,959.04 is: 323,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,777.92 : 856,176.48 = 215,959.04 : x
  2. Step 2: Convert to fraction form
    570,777.92/856,176.48 = 215,959.04/x
  3. Step 3: Cross multiply
    570,777.92x = 856,176.48 × 215,959.04
  4. Step 4: Simplify right side
    570,777.92x = 184,899,050,691.38
  5. Step 5: Solve for x
    x = 184,899,050,691.38/570,777.92
  6. Step 6: Final answer
    x = 323,942.19

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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.