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Finding the Fourth Proportional to 266,281.84, 367,300.20 and 202,479.76

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Solution

The fourth proportional to 266,281.84, 367,300.20 and 202,479.76 is: 279,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,281.84 : 367,300.20 = 202,479.76 : x
  2. Step 2: Convert to fraction form
    266,281.84/367,300.20 = 202,479.76/x
  3. Step 3: Cross multiply
    266,281.84x = 367,300.20 × 202,479.76
  4. Step 4: Simplify right side
    266,281.84x = 74,370,856,343.95
  5. Step 5: Solve for x
    x = 74,370,856,343.95/266,281.84
  6. Step 6: Final answer
    x = 279,293.76

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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.