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Finding the Fourth Proportional to 406,018.85, 560,228.20 and 224,722.22

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Solution

The fourth proportional to 406,018.85, 560,228.20 and 224,722.22 is: 310,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,018.85 : 560,228.20 = 224,722.22 : x
  2. Step 2: Convert to fraction form
    406,018.85/560,228.20 = 224,722.22/x
  3. Step 3: Cross multiply
    406,018.85x = 560,228.20 × 224,722.22
  4. Step 4: Simplify right side
    406,018.85x = 125,895,721,447.66
  5. Step 5: Solve for x
    x = 125,895,721,447.66/406,018.85
  6. Step 6: Final answer
    x = 310,073.59

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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.