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Finding the Fourth Proportional to 267,688.58, 369,403.88 and 146,828.79

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Solution

The fourth proportional to 267,688.58, 369,403.88 and 146,828.79 is: 202,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,688.58 : 369,403.88 = 146,828.79 : x
  2. Step 2: Convert to fraction form
    267,688.58/369,403.88 = 146,828.79/x
  3. Step 3: Cross multiply
    267,688.58x = 369,403.88 × 146,828.79
  4. Step 4: Simplify right side
    267,688.58x = 54,239,123,987.56
  5. Step 5: Solve for x
    x = 54,239,123,987.56/267,688.58
  6. Step 6: Final answer
    x = 202,620.24

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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.