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Finding the Fourth Proportional to 267,242.90, 368,801.13 and 152,519.25

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Solution

The fourth proportional to 267,242.90, 368,801.13 and 152,519.25 is: 210,479.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,242.90 : 368,801.13 = 152,519.25 : x
  2. Step 2: Convert to fraction form
    267,242.90/368,801.13 = 152,519.25/x
  3. Step 3: Cross multiply
    267,242.90x = 368,801.13 × 152,519.25
  4. Step 4: Simplify right side
    267,242.90x = 56,249,272,414.82
  5. Step 5: Solve for x
    x = 56,249,272,414.82/267,242.90
  6. Step 6: Final answer
    x = 210,479.95

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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.