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Finding the Fourth Proportional to 269,742.95, 372,245.25 and 150,510.95

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Solution

The fourth proportional to 269,742.95, 372,245.25 and 150,510.95 is: 207,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,742.95 : 372,245.25 = 150,510.95 : x
  2. Step 2: Convert to fraction form
    269,742.95/372,245.25 = 150,510.95/x
  3. Step 3: Cross multiply
    269,742.95x = 372,245.25 × 150,510.95
  4. Step 4: Simplify right side
    269,742.95x = 56,026,984,349.26
  5. Step 5: Solve for x
    x = 56,026,984,349.26/269,742.95
  6. Step 6: Final answer
    x = 207,705.10

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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.