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Finding the Fourth Proportional to 350,017.48, 525,230.12 and 147,601.20

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Solution

The fourth proportional to 350,017.48, 525,230.12 and 147,601.20 is: 221,487.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,017.48 : 525,230.12 = 147,601.20 : x
  2. Step 2: Convert to fraction form
    350,017.48/525,230.12 = 147,601.20/x
  3. Step 3: Cross multiply
    350,017.48x = 525,230.12 × 147,601.20
  4. Step 4: Simplify right side
    350,017.48x = 77,524,595,988.14
  5. Step 5: Solve for x
    x = 77,524,595,988.14/350,017.48
  6. Step 6: Final answer
    x = 221,487.78

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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.