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Finding the Fourth Proportional to 937,608.40, 1,293,873 and 550,417.64

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Solution

The fourth proportional to 937,608.40, 1,293,873 and 550,417.64 is: 759,560.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,608.40 : 1,293,873 = 550,417.64 : x
  2. Step 2: Convert to fraction form
    937,608.40/1,293,873 = 550,417.64/x
  3. Step 3: Cross multiply
    937,608.40x = 1,293,873 × 550,417.64
  4. Step 4: Simplify right side
    937,608.40x = 712,170,516,650.36
  5. Step 5: Solve for x
    x = 712,170,516,650.36/937,608.40
  6. Step 6: Final answer
    x = 759,560.72

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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.