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Finding the Fourth Proportional to 267,179.45, 368,728.74 and 152,431.74

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Solution

The fourth proportional to 267,179.45, 368,728.74 and 152,431.74 is: 210,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,179.45 : 368,728.74 = 152,431.74 : x
  2. Step 2: Convert to fraction form
    267,179.45/368,728.74 = 152,431.74/x
  3. Step 3: Cross multiply
    267,179.45x = 368,728.74 × 152,431.74
  4. Step 4: Simplify right side
    267,179.45x = 56,205,963,426.21
  5. Step 5: Solve for x
    x = 56,205,963,426.21/267,179.45
  6. Step 6: Final answer
    x = 210,367.84

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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.