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Finding the Fourth Proportional to 261,352.80, 360,748.08 and 207,732.96

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Solution

The fourth proportional to 261,352.80, 360,748.08 and 207,732.96 is: 286,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,352.80 : 360,748.08 = 207,732.96 : x
  2. Step 2: Convert to fraction form
    261,352.80/360,748.08 = 207,732.96/x
  3. Step 3: Cross multiply
    261,352.80x = 360,748.08 × 207,732.96
  4. Step 4: Simplify right side
    261,352.80x = 74,939,266,472.72
  5. Step 5: Solve for x
    x = 74,939,266,472.72/261,352.80
  6. Step 6: Final answer
    x = 286,736.04

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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.