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Finding the Fourth Proportional to 267,318.54, 368,808.75 and 152,514.72

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Solution

The fourth proportional to 267,318.54, 368,808.75 and 152,514.72 is: 210,418.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,318.54 : 368,808.75 = 152,514.72 : x
  2. Step 2: Convert to fraction form
    267,318.54/368,808.75 = 152,514.72/x
  3. Step 3: Cross multiply
    267,318.54x = 368,808.75 × 152,514.72
  4. Step 4: Simplify right side
    267,318.54x = 56,248,763,239.80
  5. Step 5: Solve for x
    x = 56,248,763,239.80/267,318.54
  6. Step 6: Final answer
    x = 210,418.49

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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.