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Finding the Fourth Proportional to 259,017.24, 388,581.12 and 146,751.24

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Solution

The fourth proportional to 259,017.24, 388,581.12 and 146,751.24 is: 220,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,017.24 : 388,581.12 = 146,751.24 : x
  2. Step 2: Convert to fraction form
    259,017.24/388,581.12 = 146,751.24/x
  3. Step 3: Cross multiply
    259,017.24x = 388,581.12 × 146,751.24
  4. Step 4: Simplify right side
    259,017.24x = 57,024,761,200.59
  5. Step 5: Solve for x
    x = 57,024,761,200.59/259,017.24
  6. Step 6: Final answer
    x = 220,158.17

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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.