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Finding the Fourth Proportional to 302,658.72, 417,652.89 and 173,590.49

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Solution

The fourth proportional to 302,658.72, 417,652.89 and 173,590.49 is: 239,545.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,658.72 : 417,652.89 = 173,590.49 : x
  2. Step 2: Convert to fraction form
    302,658.72/417,652.89 = 173,590.49/x
  3. Step 3: Cross multiply
    302,658.72x = 417,652.89 × 173,590.49
  4. Step 4: Simplify right side
    302,658.72x = 72,500,567,736.75
  5. Step 5: Solve for x
    x = 72,500,567,736.75/302,658.72
  6. Step 6: Final answer
    x = 239,545.61

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1.5x scale

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.