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Finding the Fourth Proportional to 360,960.07, 498,123 and 197,631.40

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Solution

The fourth proportional to 360,960.07, 498,123 and 197,631.40 is: 272,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,960.07 : 498,123 = 197,631.40 : x
  2. Step 2: Convert to fraction form
    360,960.07/498,123 = 197,631.40/x
  3. Step 3: Cross multiply
    360,960.07x = 498,123 × 197,631.40
  4. Step 4: Simplify right side
    360,960.07x = 98,444,745,862.20
  5. Step 5: Solve for x
    x = 98,444,745,862.20/360,960.07
  6. Step 6: Final answer
    x = 272,730.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.