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Finding the Fourth Proportional to 480,922.30, 663,679.34 and 299,707.48

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Solution

The fourth proportional to 480,922.30, 663,679.34 and 299,707.48 is: 413,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,922.30 : 663,679.34 = 299,707.48 : x
  2. Step 2: Convert to fraction form
    480,922.30/663,679.34 = 299,707.48/x
  3. Step 3: Cross multiply
    480,922.30x = 663,679.34 × 299,707.48
  4. Step 4: Simplify right side
    480,922.30x = 198,909,662,519.46
  5. Step 5: Solve for x
    x = 198,909,662,519.46/480,922.30
  6. Step 6: Final answer
    x = 413,600.41

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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.