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Finding the Fourth Proportional to 410,819.20, 616,315.20 and 233,180.80

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Solution

The fourth proportional to 410,819.20, 616,315.20 and 233,180.80 is: 349,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,819.20 : 616,315.20 = 233,180.80 : x
  2. Step 2: Convert to fraction form
    410,819.20/616,315.20 = 233,180.80/x
  3. Step 3: Cross multiply
    410,819.20x = 616,315.20 × 233,180.80
  4. Step 4: Simplify right side
    410,819.20x = 143,712,871,388.16
  5. Step 5: Solve for x
    x = 143,712,871,388.16/410,819.20
  6. Step 6: Final answer
    x = 349,820.24

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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.