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Finding the Fourth Proportional to 606,872.20, 909,287.70 and 480,026.20

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Solution

The fourth proportional to 606,872.20, 909,287.70 and 480,026.20 is: 719,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,872.20 : 909,287.70 = 480,026.20 : x
  2. Step 2: Convert to fraction form
    606,872.20/909,287.70 = 480,026.20/x
  3. Step 3: Cross multiply
    606,872.20x = 909,287.70 × 480,026.20
  4. Step 4: Simplify right side
    606,872.20x = 436,481,919,337.74
  5. Step 5: Solve for x
    x = 436,481,919,337.74/606,872.20
  6. Step 6: Final answer
    x = 719,232.02

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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.