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Finding the Fourth Proportional to 360,573.12, 497,038.68 and 269,791.56

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Solution

The fourth proportional to 360,573.12, 497,038.68 and 269,791.56 is: 371,899.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,573.12 : 497,038.68 = 269,791.56 : x
  2. Step 2: Convert to fraction form
    360,573.12/497,038.68 = 269,791.56/x
  3. Step 3: Cross multiply
    360,573.12x = 497,038.68 × 269,791.56
  4. Step 4: Simplify right side
    360,573.12x = 134,096,840,857.54
  5. Step 5: Solve for x
    x = 134,096,840,857.54/360,573.12
  6. Step 6: Final answer
    x = 371,899.16

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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.