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Finding the Fourth Proportional to 406,417.77, 560,861.01 and 225,132.48

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Solution

The fourth proportional to 406,417.77, 560,861.01 and 225,132.48 is: 310,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,417.77 : 560,861.01 = 225,132.48 : x
  2. Step 2: Convert to fraction form
    406,417.77/560,861.01 = 225,132.48/x
  3. Step 3: Cross multiply
    406,417.77x = 560,861.01 × 225,132.48
  4. Step 4: Simplify right side
    406,417.77x = 126,268,030,116.61
  5. Step 5: Solve for x
    x = 126,268,030,116.61/406,417.77
  6. Step 6: Final answer
    x = 310,685.31

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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.