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Finding the Fourth Proportional to 408,148.76, 563,158.86 and 246,972.44

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Solution

The fourth proportional to 408,148.76, 563,158.86 and 246,972.44 is: 340,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,148.76 : 563,158.86 = 246,972.44 : x
  2. Step 2: Convert to fraction form
    408,148.76/563,158.86 = 246,972.44/x
  3. Step 3: Cross multiply
    408,148.76x = 563,158.86 × 246,972.44
  4. Step 4: Simplify right side
    408,148.76x = 139,084,717,761.82
  5. Step 5: Solve for x
    x = 139,084,717,761.82/408,148.76
  6. Step 6: Final answer
    x = 340,769.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.