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Finding the Fourth Proportional to 364,988.80, 547,308.24 and 187,404.40

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Solution

The fourth proportional to 364,988.80, 547,308.24 and 187,404.40 is: 281,016.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,988.80 : 547,308.24 = 187,404.40 : x
  2. Step 2: Convert to fraction form
    364,988.80/547,308.24 = 187,404.40/x
  3. Step 3: Cross multiply
    364,988.80x = 547,308.24 × 187,404.40
  4. Step 4: Simplify right side
    364,988.80x = 102,567,972,332.26
  5. Step 5: Solve for x
    x = 102,567,972,332.26/364,988.80
  6. Step 6: Final answer
    x = 281,016.77

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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.