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Finding the Fourth Proportional to 406,611.20, 560,792.04 and 286,151.60

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Solution

The fourth proportional to 406,611.20, 560,792.04 and 286,151.60 is: 394,655.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,611.20 : 560,792.04 = 286,151.60 : x
  2. Step 2: Convert to fraction form
    406,611.20/560,792.04 = 286,151.60/x
  3. Step 3: Cross multiply
    406,611.20x = 560,792.04 × 286,151.60
  4. Step 4: Simplify right side
    406,611.20x = 160,471,539,513.26
  5. Step 5: Solve for x
    x = 160,471,539,513.26/406,611.20
  6. Step 6: Final answer
    x = 394,655.97

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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.