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Finding the Fourth Proportional to 600,039.20, 901,095.60 and 320,103.20

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Solution

The fourth proportional to 600,039.20, 901,095.60 and 320,103.20 is: 480,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,039.20 : 901,095.60 = 320,103.20 : x
  2. Step 2: Convert to fraction form
    600,039.20/901,095.60 = 320,103.20/x
  3. Step 3: Cross multiply
    600,039.20x = 901,095.60 × 320,103.20
  4. Step 4: Simplify right side
    600,039.20x = 288,443,585,065.92
  5. Step 5: Solve for x
    x = 288,443,585,065.92/600,039.20
  6. Step 6: Final answer
    x = 480,707.90

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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.