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Finding the Fourth Proportional to 631,866.76, 947,800.12 and 252,958.06

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Solution

The fourth proportional to 631,866.76, 947,800.12 and 252,958.06 is: 379,437.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,866.76 : 947,800.12 = 252,958.06 : x
  2. Step 2: Convert to fraction form
    631,866.76/947,800.12 = 252,958.06/x
  3. Step 3: Cross multiply
    631,866.76x = 947,800.12 × 252,958.06
  4. Step 4: Simplify right side
    631,866.76x = 239,753,679,622.97
  5. Step 5: Solve for x
    x = 239,753,679,622.97/631,866.76
  6. Step 6: Final answer
    x = 379,437.08

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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.