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Finding the Fourth Proportional to 650,546.90, 975,990.45 and 251,200.70

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Solution

The fourth proportional to 650,546.90, 975,990.45 and 251,200.70 is: 376,866.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,546.90 : 975,990.45 = 251,200.70 : x
  2. Step 2: Convert to fraction form
    650,546.90/975,990.45 = 251,200.70/x
  3. Step 3: Cross multiply
    650,546.90x = 975,990.45 × 251,200.70
  4. Step 4: Simplify right side
    650,546.90x = 245,169,484,233.32
  5. Step 5: Solve for x
    x = 245,169,484,233.32/650,546.90
  6. Step 6: Final answer
    x = 376,866.73

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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.