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Finding the Fourth Proportional to 472,678.15, 708,425.92 and 236,086.87

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Solution

The fourth proportional to 472,678.15, 708,425.92 and 236,086.87 is: 353,834.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,678.15 : 708,425.92 = 236,086.87 : x
  2. Step 2: Convert to fraction form
    472,678.15/708,425.92 = 236,086.87/x
  3. Step 3: Cross multiply
    472,678.15x = 708,425.92 × 236,086.87
  4. Step 4: Simplify right side
    472,678.15x = 167,250,058,079.67
  5. Step 5: Solve for x
    x = 167,250,058,079.67/472,678.15
  6. Step 6: Final answer
    x = 353,834.97

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1.5x scale

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.