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Finding the Fourth Proportional to 267,784.64, 369,542.77 and 153,065.73

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Solution

The fourth proportional to 267,784.64, 369,542.77 and 153,065.73 is: 211,230.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,784.64 : 369,542.77 = 153,065.73 : x
  2. Step 2: Convert to fraction form
    267,784.64/369,542.77 = 153,065.73/x
  3. Step 3: Cross multiply
    267,784.64x = 369,542.77 × 153,065.73
  4. Step 4: Simplify right side
    267,784.64x = 56,564,333,856.27
  5. Step 5: Solve for x
    x = 56,564,333,856.27/267,784.64
  6. Step 6: Final answer
    x = 211,230.69

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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.