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Finding the Fourth Proportional to 406,875.60, 609,892.20 and 182,343.60

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Solution

The fourth proportional to 406,875.60, 609,892.20 and 182,343.60 is: 273,326.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,875.60 : 609,892.20 = 182,343.60 : x
  2. Step 2: Convert to fraction form
    406,875.60/609,892.20 = 182,343.60/x
  3. Step 3: Cross multiply
    406,875.60x = 609,892.20 × 182,343.60
  4. Step 4: Simplify right side
    406,875.60x = 111,209,939,359.92
  5. Step 5: Solve for x
    x = 111,209,939,359.92/406,875.60
  6. Step 6: Final answer
    x = 273,326.64

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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.