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Finding the Fourth Proportional to 345,549.60, 518,394.87 and 195,856.74

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Solution

The fourth proportional to 345,549.60, 518,394.87 and 195,856.74 is: 293,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,549.60 : 518,394.87 = 195,856.74 : x
  2. Step 2: Convert to fraction form
    345,549.60/518,394.87 = 195,856.74/x
  3. Step 3: Cross multiply
    345,549.60x = 518,394.87 × 195,856.74
  4. Step 4: Simplify right side
    345,549.60x = 101,531,129,270.92
  5. Step 5: Solve for x
    x = 101,531,129,270.92/345,549.60
  6. Step 6: Final answer
    x = 293,825.05

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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.