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Finding the Fourth Proportional to 432,840.58, 649,260.72 and 117,297.50

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Solution

The fourth proportional to 432,840.58, 649,260.72 and 117,297.50 is: 175,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,840.58 : 649,260.72 = 117,297.50 : x
  2. Step 2: Convert to fraction form
    432,840.58/649,260.72 = 117,297.50/x
  3. Step 3: Cross multiply
    432,840.58x = 649,260.72 × 117,297.50
  4. Step 4: Simplify right side
    432,840.58x = 76,156,659,304.20
  5. Step 5: Solve for x
    x = 76,156,659,304.20/432,840.58
  6. Step 6: Final answer
    x = 175,946.21

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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.