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Finding the Fourth Proportional to 555,306.86, 832,960.33 and 134,582.74

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Solution

The fourth proportional to 555,306.86, 832,960.33 and 134,582.74 is: 201,874.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,306.86 : 832,960.33 = 134,582.74 : x
  2. Step 2: Convert to fraction form
    555,306.86/832,960.33 = 134,582.74/x
  3. Step 3: Cross multiply
    555,306.86x = 832,960.33 × 134,582.74
  4. Step 4: Simplify right side
    555,306.86x = 112,102,081,103.85
  5. Step 5: Solve for x
    x = 112,102,081,103.85/555,306.86
  6. Step 6: Final answer
    x = 201,874.11

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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.