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Finding the Fourth Proportional to 650,355.40, 975,703.20 and 251,009.20

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Solution

The fourth proportional to 650,355.40, 975,703.20 and 251,009.20 is: 376,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,355.40 : 975,703.20 = 251,009.20 : x
  2. Step 2: Convert to fraction form
    650,355.40/975,703.20 = 251,009.20/x
  3. Step 3: Cross multiply
    650,355.40x = 975,703.20 × 251,009.20
  4. Step 4: Simplify right side
    650,355.40x = 244,910,479,669.44
  5. Step 5: Solve for x
    x = 244,910,479,669.44/650,355.40
  6. Step 6: Final answer
    x = 376,579.45

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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.