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Finding the Fourth Proportional to 406,445.77, 560,895.07 and 225,169.47

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Solution

The fourth proportional to 406,445.77, 560,895.07 and 225,169.47 is: 310,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,445.77 : 560,895.07 = 225,169.47 : x
  2. Step 2: Convert to fraction form
    406,445.77/560,895.07 = 225,169.47/x
  3. Step 3: Cross multiply
    406,445.77x = 560,895.07 × 225,169.47
  4. Step 4: Simplify right side
    406,445.77x = 126,296,444,511.67
  5. Step 5: Solve for x
    x = 126,296,444,511.67/406,445.77
  6. Step 6: Final answer
    x = 310,733.81

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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.