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Finding the Fourth Proportional to 338,642.72, 467,232.36 and 266,800.04

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Solution

The fourth proportional to 338,642.72, 467,232.36 and 266,800.04 is: 368,109.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,642.72 : 467,232.36 = 266,800.04 : x
  2. Step 2: Convert to fraction form
    338,642.72/467,232.36 = 266,800.04/x
  3. Step 3: Cross multiply
    338,642.72x = 467,232.36 × 266,800.04
  4. Step 4: Simplify right side
    338,642.72x = 124,657,612,337.29
  5. Step 5: Solve for x
    x = 124,657,612,337.29/338,642.72
  6. Step 6: Final answer
    x = 368,109.53

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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.