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Finding the Fourth Proportional to 490,233.20, 735,522.60 and 472,953.20

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Solution

The fourth proportional to 490,233.20, 735,522.60 and 472,953.20 is: 709,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,233.20 : 735,522.60 = 472,953.20 : x
  2. Step 2: Convert to fraction form
    490,233.20/735,522.60 = 472,953.20/x
  3. Step 3: Cross multiply
    490,233.20x = 735,522.60 × 472,953.20
  4. Step 4: Simplify right side
    490,233.20x = 347,867,767,342.32
  5. Step 5: Solve for x
    x = 347,867,767,342.32/490,233.20
  6. Step 6: Final answer
    x = 709,596.51

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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.