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Finding the Fourth Proportional to 374,214.48, 516,269.42 and 230,725.42

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Solution

The fourth proportional to 374,214.48, 516,269.42 and 230,725.42 is: 318,310.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,214.48 : 516,269.42 = 230,725.42 : x
  2. Step 2: Convert to fraction form
    374,214.48/516,269.42 = 230,725.42/x
  3. Step 3: Cross multiply
    374,214.48x = 516,269.42 × 230,725.42
  4. Step 4: Simplify right side
    374,214.48x = 119,116,478,762.66
  5. Step 5: Solve for x
    x = 119,116,478,762.66/374,214.48
  6. Step 6: Final answer
    x = 318,310.72

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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.