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Finding the Fourth Proportional to 406,295.67, 560,781.33 and 270,335.34

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Solution

The fourth proportional to 406,295.67, 560,781.33 and 270,335.34 is: 373,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,295.67 : 560,781.33 = 270,335.34 : x
  2. Step 2: Convert to fraction form
    406,295.67/560,781.33 = 270,335.34/x
  3. Step 3: Cross multiply
    406,295.67x = 560,781.33 × 270,335.34
  4. Step 4: Simplify right side
    406,295.67x = 151,599,011,511.20
  5. Step 5: Solve for x
    x = 151,599,011,511.20/406,295.67
  6. Step 6: Final answer
    x = 373,124.85

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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.