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Finding the Fourth Proportional to 488,199.28, 732,327.36 and 188,726.08

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Solution

The fourth proportional to 488,199.28, 732,327.36 and 188,726.08 is: 283,100.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,199.28 : 732,327.36 = 188,726.08 : x
  2. Step 2: Convert to fraction form
    488,199.28/732,327.36 = 188,726.08/x
  3. Step 3: Cross multiply
    488,199.28x = 732,327.36 × 188,726.08
  4. Step 4: Simplify right side
    488,199.28x = 138,209,271,929.55
  5. Step 5: Solve for x
    x = 138,209,271,929.55/488,199.28
  6. Step 6: Final answer
    x = 283,100.11

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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.