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Finding the Fourth Proportional to 406,726.60, 561,200.52 and 245,588.44

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Solution

The fourth proportional to 406,726.60, 561,200.52 and 245,588.44 is: 338,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,726.60 : 561,200.52 = 245,588.44 : x
  2. Step 2: Convert to fraction form
    406,726.60/561,200.52 = 245,588.44/x
  3. Step 3: Cross multiply
    406,726.60x = 561,200.52 × 245,588.44
  4. Step 4: Simplify right side
    406,726.60x = 137,824,360,233.99
  5. Step 5: Solve for x
    x = 137,824,360,233.99/406,726.60
  6. Step 6: Final answer
    x = 338,862.42

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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.