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Finding the Fourth Proportional to 364,722.32, 547,077.80 and 187,126.86

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Solution

The fourth proportional to 364,722.32, 547,077.80 and 187,126.86 is: 280,687.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,722.32 : 547,077.80 = 187,126.86 : x
  2. Step 2: Convert to fraction form
    364,722.32/547,077.80 = 187,126.86/x
  3. Step 3: Cross multiply
    364,722.32x = 547,077.80 × 187,126.86
  4. Step 4: Simplify right side
    364,722.32x = 102,372,950,889.71
  5. Step 5: Solve for x
    x = 102,372,950,889.71/364,722.32
  6. Step 6: Final answer
    x = 280,687.38

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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.