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Finding the Fourth Proportional to 350,281, 525,372.24 and 113,625.76

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Solution

The fourth proportional to 350,281, 525,372.24 and 113,625.76 is: 170,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,281 : 525,372.24 = 113,625.76 : x
  2. Step 2: Convert to fraction form
    350,281/525,372.24 = 113,625.76/x
  3. Step 3: Cross multiply
    350,281x = 525,372.24 × 113,625.76
  4. Step 4: Simplify right side
    350,281x = 59,695,820,052.90
  5. Step 5: Solve for x
    x = 59,695,820,052.90/350,281
  6. Step 6: Final answer
    x = 170,422.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.