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Finding the Fourth Proportional to 276,095.60, 413,900.40 and 187,060.40

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Solution

The fourth proportional to 276,095.60, 413,900.40 and 187,060.40 is: 280,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,095.60 : 413,900.40 = 187,060.40 : x
  2. Step 2: Convert to fraction form
    276,095.60/413,900.40 = 187,060.40/x
  3. Step 3: Cross multiply
    276,095.60x = 413,900.40 × 187,060.40
  4. Step 4: Simplify right side
    276,095.60x = 77,424,374,384.16
  5. Step 5: Solve for x
    x = 77,424,374,384.16/276,095.60
  6. Step 6: Final answer
    x = 280,425.96

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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.