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Finding the Fourth Proportional to 267,855.68, 369,889.80 and 172,526.24

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Solution

The fourth proportional to 267,855.68, 369,889.80 and 172,526.24 is: 238,246.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,855.68 : 369,889.80 = 172,526.24 : x
  2. Step 2: Convert to fraction form
    267,855.68/369,889.80 = 172,526.24/x
  3. Step 3: Cross multiply
    267,855.68x = 369,889.80 × 172,526.24
  4. Step 4: Simplify right side
    267,855.68x = 63,815,696,408.35
  5. Step 5: Solve for x
    x = 63,815,696,408.35/267,855.68
  6. Step 6: Final answer
    x = 238,246.57

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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.