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Finding the Fourth Proportional to 650,426.16, 975,078.60 and 251,346.96

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Solution

The fourth proportional to 650,426.16, 975,078.60 and 251,346.96 is: 376,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,426.16 : 975,078.60 = 251,346.96 : x
  2. Step 2: Convert to fraction form
    650,426.16/975,078.60 = 251,346.96/x
  3. Step 3: Cross multiply
    650,426.16x = 975,078.60 × 251,346.96
  4. Step 4: Simplify right side
    650,426.16x = 245,083,041,871.06
  5. Step 5: Solve for x
    x = 245,083,041,871.06/650,426.16
  6. Step 6: Final answer
    x = 376,803.79

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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.