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Finding the Fourth Proportional to 347,872.65, 480,294.54 and 267,155.34

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Solution

The fourth proportional to 347,872.65, 480,294.54 and 267,155.34 is: 368,851.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,872.65 : 480,294.54 = 267,155.34 : x
  2. Step 2: Convert to fraction form
    347,872.65/480,294.54 = 267,155.34/x
  3. Step 3: Cross multiply
    347,872.65x = 480,294.54 × 267,155.34
  4. Step 4: Simplify right side
    347,872.65x = 128,313,251,133.84
  5. Step 5: Solve for x
    x = 128,313,251,133.84/347,872.65
  6. Step 6: Final answer
    x = 368,851.22

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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.