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Finding the Fourth Proportional to 262,440.74, 362,179.76 and 147,726.79

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Solution

The fourth proportional to 262,440.74, 362,179.76 and 147,726.79 is: 203,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440.74 : 362,179.76 = 147,726.79 : x
  2. Step 2: Convert to fraction form
    262,440.74/362,179.76 = 147,726.79/x
  3. Step 3: Cross multiply
    262,440.74x = 362,179.76 × 147,726.79
  4. Step 4: Simplify right side
    262,440.74x = 53,503,651,703.69
  5. Step 5: Solve for x
    x = 53,503,651,703.69/262,440.74
  6. Step 6: Final answer
    x = 203,869.46

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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.