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Finding the Fourth Proportional to 310,497.92, 465,700.08 and 198,957.59

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Solution

The fourth proportional to 310,497.92, 465,700.08 and 198,957.59 is: 298,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,497.92 : 465,700.08 = 198,957.59 : x
  2. Step 2: Convert to fraction form
    310,497.92/465,700.08 = 198,957.59/x
  3. Step 3: Cross multiply
    310,497.92x = 465,700.08 × 198,957.59
  4. Step 4: Simplify right side
    310,497.92x = 92,654,563,251.11
  5. Step 5: Solve for x
    x = 92,654,563,251.11/310,497.92
  6. Step 6: Final answer
    x = 298,406.39

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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.