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Finding the Fourth Proportional to 220,632.58, 304,460.50 and 123,827.42

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Solution

The fourth proportional to 220,632.58, 304,460.50 and 123,827.42 is: 170,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,632.58 : 304,460.50 = 123,827.42 : x
  2. Step 2: Convert to fraction form
    220,632.58/304,460.50 = 123,827.42/x
  3. Step 3: Cross multiply
    220,632.58x = 304,460.50 × 123,827.42
  4. Step 4: Simplify right side
    220,632.58x = 37,700,558,206.91
  5. Step 5: Solve for x
    x = 37,700,558,206.91/220,632.58
  6. Step 6: Final answer
    x = 170,874.85

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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.