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Finding the Fourth Proportional to 550,267.80, 825,401.70 and 497,123.70

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Solution

The fourth proportional to 550,267.80, 825,401.70 and 497,123.70 is: 745,685.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,267.80 : 825,401.70 = 497,123.70 : x
  2. Step 2: Convert to fraction form
    550,267.80/825,401.70 = 497,123.70/x
  3. Step 3: Cross multiply
    550,267.80x = 825,401.70 × 497,123.70
  4. Step 4: Simplify right side
    550,267.80x = 410,326,747,090.29
  5. Step 5: Solve for x
    x = 410,326,747,090.29/550,267.80
  6. Step 6: Final answer
    x = 745,685.55

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Similar ratio
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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.