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Finding the Fourth Proportional to 366,781.50, 506,159.85 and 213,925.25

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Solution

The fourth proportional to 366,781.50, 506,159.85 and 213,925.25 is: 295,217.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,781.50 : 506,159.85 = 213,925.25 : x
  2. Step 2: Convert to fraction form
    366,781.50/506,159.85 = 213,925.25/x
  3. Step 3: Cross multiply
    366,781.50x = 506,159.85 × 213,925.25
  4. Step 4: Simplify right side
    366,781.50x = 108,280,374,518.83
  5. Step 5: Solve for x
    x = 108,280,374,518.83/366,781.50
  6. Step 6: Final answer
    x = 295,217.66

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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.