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Finding the Fourth Proportional to 356,098.60, 534,200.36 and 103,346.20

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Solution

The fourth proportional to 356,098.60, 534,200.36 and 103,346.20 is: 155,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,098.60 : 534,200.36 = 103,346.20 : x
  2. Step 2: Convert to fraction form
    356,098.60/534,200.36 = 103,346.20/x
  3. Step 3: Cross multiply
    356,098.60x = 534,200.36 × 103,346.20
  4. Step 4: Simplify right side
    356,098.60x = 55,207,577,244.63
  5. Step 5: Solve for x
    x = 55,207,577,244.63/356,098.60
  6. Step 6: Final answer
    x = 155,034.52

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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.