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Finding the Fourth Proportional to 406,987.60, 610,060.20 and 182,455.60

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Solution

The fourth proportional to 406,987.60, 610,060.20 and 182,455.60 is: 273,494.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,987.60 : 610,060.20 = 182,455.60 : x
  2. Step 2: Convert to fraction form
    406,987.60/610,060.20 = 182,455.60/x
  3. Step 3: Cross multiply
    406,987.60x = 610,060.20 × 182,455.60
  4. Step 4: Simplify right side
    406,987.60x = 111,308,899,827.12
  5. Step 5: Solve for x
    x = 111,308,899,827.12/406,987.60
  6. Step 6: Final answer
    x = 273,494.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.