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Finding the Fourth Proportional to 420,096.93, 579,726.77 and 229,098.93

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Solution

The fourth proportional to 420,096.93, 579,726.77 and 229,098.93 is: 316,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,096.93 : 579,726.77 = 229,098.93 : x
  2. Step 2: Convert to fraction form
    420,096.93/579,726.77 = 229,098.93/x
  3. Step 3: Cross multiply
    420,096.93x = 579,726.77 × 229,098.93
  4. Step 4: Simplify right side
    420,096.93x = 132,814,781,553.86
  5. Step 5: Solve for x
    x = 132,814,781,553.86/420,096.93
  6. Step 6: Final answer
    x = 316,152.71

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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.