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Finding the Fourth Proportional to 542,894.39, 749,195.15 and 301,176.96

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Solution

The fourth proportional to 542,894.39, 749,195.15 and 301,176.96 is: 415,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,894.39 : 749,195.15 = 301,176.96 : x
  2. Step 2: Convert to fraction form
    542,894.39/749,195.15 = 301,176.96/x
  3. Step 3: Cross multiply
    542,894.39x = 749,195.15 × 301,176.96
  4. Step 4: Simplify right side
    542,894.39x = 225,640,316,217.86
  5. Step 5: Solve for x
    x = 225,640,316,217.86/542,894.39
  6. Step 6: Final answer
    x = 415,624.70

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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.