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Finding the Fourth Proportional to 267,279.51, 368,854.90 and 146,420.76

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Solution

The fourth proportional to 267,279.51, 368,854.90 and 146,420.76 is: 202,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,279.51 : 368,854.90 = 146,420.76 : x
  2. Step 2: Convert to fraction form
    267,279.51/368,854.90 = 146,420.76/x
  3. Step 3: Cross multiply
    267,279.51x = 368,854.90 × 146,420.76
  4. Step 4: Simplify right side
    267,279.51x = 54,008,014,787.72
  5. Step 5: Solve for x
    x = 54,008,014,787.72/267,279.51
  6. Step 6: Final answer
    x = 202,065.68

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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.