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Finding the Fourth Proportional to 374,776.86, 517,109.18 and 229,613.30

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Solution

The fourth proportional to 374,776.86, 517,109.18 and 229,613.30 is: 316,815.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,776.86 : 517,109.18 = 229,613.30 : x
  2. Step 2: Convert to fraction form
    374,776.86/517,109.18 = 229,613.30/x
  3. Step 3: Cross multiply
    374,776.86x = 517,109.18 × 229,613.30
  4. Step 4: Simplify right side
    374,776.86x = 118,735,145,280.09
  5. Step 5: Solve for x
    x = 118,735,145,280.09/374,776.86
  6. Step 6: Final answer
    x = 316,815.57

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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.