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Finding the Fourth Proportional to 503,605.90, 755,408.93 and 166,556.08

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Solution

The fourth proportional to 503,605.90, 755,408.93 and 166,556.08 is: 249,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,605.90 : 755,408.93 = 166,556.08 : x
  2. Step 2: Convert to fraction form
    503,605.90/755,408.93 = 166,556.08/x
  3. Step 3: Cross multiply
    503,605.90x = 755,408.93 × 166,556.08
  4. Step 4: Simplify right side
    503,605.90x = 125,817,950,177.79
  5. Step 5: Solve for x
    x = 125,817,950,177.79/503,605.90
  6. Step 6: Final answer
    x = 249,834.15

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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.