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Finding the Fourth Proportional to 300,837.96, 415,197.84 and 173,510.76

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Solution

The fourth proportional to 300,837.96, 415,197.84 and 173,510.76 is: 239,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,837.96 : 415,197.84 = 173,510.76 : x
  2. Step 2: Convert to fraction form
    300,837.96/415,197.84 = 173,510.76/x
  3. Step 3: Cross multiply
    300,837.96x = 415,197.84 × 173,510.76
  4. Step 4: Simplify right side
    300,837.96x = 72,041,292,768.76
  5. Step 5: Solve for x
    x = 72,041,292,768.76/300,837.96
  6. Step 6: Final answer
    x = 239,468.76

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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.