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Finding the Fourth Proportional to 387,265.92, 581,126.24 and 162,609.08

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Solution

The fourth proportional to 387,265.92, 581,126.24 and 162,609.08 is: 244,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,265.92 : 581,126.24 = 162,609.08 : x
  2. Step 2: Convert to fraction form
    387,265.92/581,126.24 = 162,609.08/x
  3. Step 3: Cross multiply
    387,265.92x = 581,126.24 × 162,609.08
  4. Step 4: Simplify right side
    387,265.92x = 94,496,399,531.58
  5. Step 5: Solve for x
    x = 94,496,399,531.58/387,265.92
  6. Step 6: Final answer
    x = 244,009.08

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1.5x scale

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.