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Finding the Fourth Proportional to 268,445.31, 370,454.76 and 147,588.66

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Solution

The fourth proportional to 268,445.31, 370,454.76 and 147,588.66 is: 203,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,445.31 : 370,454.76 = 147,588.66 : x
  2. Step 2: Convert to fraction form
    268,445.31/370,454.76 = 147,588.66/x
  3. Step 3: Cross multiply
    268,445.31x = 370,454.76 × 147,588.66
  4. Step 4: Simplify right side
    268,445.31x = 54,674,921,619.02
  5. Step 5: Solve for x
    x = 54,674,921,619.02/268,445.31
  6. Step 6: Final answer
    x = 203,672.48

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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.