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Finding the Fourth Proportional to 550,924.80, 826,502.40 and 176,985.60

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Solution

The fourth proportional to 550,924.80, 826,502.40 and 176,985.60 is: 265,515.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,924.80 : 826,502.40 = 176,985.60 : x
  2. Step 2: Convert to fraction form
    550,924.80/826,502.40 = 176,985.60/x
  3. Step 3: Cross multiply
    550,924.80x = 826,502.40 × 176,985.60
  4. Step 4: Simplify right side
    550,924.80x = 146,279,023,165.44
  5. Step 5: Solve for x
    x = 146,279,023,165.44/550,924.80
  6. Step 6: Final answer
    x = 265,515.41

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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.