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Finding the Fourth Proportional to 253,825.35, 350,278.88 and 151,855.13

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Solution

The fourth proportional to 253,825.35, 350,278.88 and 151,855.13 is: 209,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,825.35 : 350,278.88 = 151,855.13 : x
  2. Step 2: Convert to fraction form
    253,825.35/350,278.88 = 151,855.13/x
  3. Step 3: Cross multiply
    253,825.35x = 350,278.88 × 151,855.13
  4. Step 4: Simplify right side
    253,825.35x = 53,191,642,347.98
  5. Step 5: Solve for x
    x = 53,191,642,347.98/253,825.35
  6. Step 6: Final answer
    x = 209,560.01

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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.