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Finding the Fourth Proportional to 267,011.58, 368,568.15 and 153,879.42

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Solution

The fourth proportional to 267,011.58, 368,568.15 and 153,879.42 is: 212,406.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,011.58 : 368,568.15 = 153,879.42 : x
  2. Step 2: Convert to fraction form
    267,011.58/368,568.15 = 153,879.42/x
  3. Step 3: Cross multiply
    267,011.58x = 368,568.15 × 153,879.42
  4. Step 4: Simplify right side
    267,011.58x = 56,715,053,152.47
  5. Step 5: Solve for x
    x = 56,715,053,152.47/267,011.58
  6. Step 6: Final answer
    x = 212,406.72

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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.