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Finding the Fourth Proportional to 307,069.92, 423,759.51 and 179,748.18

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Solution

The fourth proportional to 307,069.92, 423,759.51 and 179,748.18 is: 248,054.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,069.92 : 423,759.51 = 179,748.18 : x
  2. Step 2: Convert to fraction form
    307,069.92/423,759.51 = 179,748.18/x
  3. Step 3: Cross multiply
    307,069.92x = 423,759.51 × 179,748.18
  4. Step 4: Simplify right side
    307,069.92x = 76,170,000,680.19
  5. Step 5: Solve for x
    x = 76,170,000,680.19/307,069.92
  6. Step 6: Final answer
    x = 248,054.26

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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.