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Finding the Fourth Proportional to 432,601.60, 648,443.52 and 255,192.32

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Solution

The fourth proportional to 432,601.60, 648,443.52 and 255,192.32 is: 382,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,601.60 : 648,443.52 = 255,192.32 : x
  2. Step 2: Convert to fraction form
    432,601.60/648,443.52 = 255,192.32/x
  3. Step 3: Cross multiply
    432,601.60x = 648,443.52 × 255,192.32
  4. Step 4: Simplify right side
    432,601.60x = 165,477,806,257.77
  5. Step 5: Solve for x
    x = 165,477,806,257.77/432,601.60
  6. Step 6: Final answer
    x = 382,517.79

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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.