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Finding the Fourth Proportional to 534,521.18, 801,218.57 and 197,345.92

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Solution

The fourth proportional to 534,521.18, 801,218.57 and 197,345.92 is: 295,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,521.18 : 801,218.57 = 197,345.92 : x
  2. Step 2: Convert to fraction form
    534,521.18/801,218.57 = 197,345.92/x
  3. Step 3: Cross multiply
    534,521.18x = 801,218.57 × 197,345.92
  4. Step 4: Simplify right side
    534,521.18x = 158,117,215,817.73
  5. Step 5: Solve for x
    x = 158,117,215,817.73/534,521.18
  6. Step 6: Final answer
    x = 295,810.95

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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.