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Finding the Fourth Proportional to 368,967.60, 553,451.40 and 132,334.20

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Solution

The fourth proportional to 368,967.60, 553,451.40 and 132,334.20 is: 198,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,967.60 : 553,451.40 = 132,334.20 : x
  2. Step 2: Convert to fraction form
    368,967.60/553,451.40 = 132,334.20/x
  3. Step 3: Cross multiply
    368,967.60x = 553,451.40 × 132,334.20
  4. Step 4: Simplify right side
    368,967.60x = 73,240,548,257.88
  5. Step 5: Solve for x
    x = 73,240,548,257.88/368,967.60
  6. Step 6: Final answer
    x = 198,501.30

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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.