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Finding the Fourth Proportional to 503,691.84, 755,667.36 and 148,691.52

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Solution

The fourth proportional to 503,691.84, 755,667.36 and 148,691.52 is: 223,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,691.84 : 755,667.36 = 148,691.52 : x
  2. Step 2: Convert to fraction form
    503,691.84/755,667.36 = 148,691.52/x
  3. Step 3: Cross multiply
    503,691.84x = 755,667.36 × 148,691.52
  4. Step 4: Simplify right side
    503,691.84x = 112,361,328,372.79
  5. Step 5: Solve for x
    x = 112,361,328,372.79/503,691.84
  6. Step 6: Final answer
    x = 223,075.54

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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.