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Finding the Fourth Proportional to 503,504.40, 755,266.68 and 187,898.40

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Solution

The fourth proportional to 503,504.40, 755,266.68 and 187,898.40 is: 281,851.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,504.40 : 755,266.68 = 187,898.40 : x
  2. Step 2: Convert to fraction form
    503,504.40/755,266.68 = 187,898.40/x
  3. Step 3: Cross multiply
    503,504.40x = 755,266.68 × 187,898.40
  4. Step 4: Simplify right side
    503,504.40x = 141,913,400,745.31
  5. Step 5: Solve for x
    x = 141,913,400,745.31/503,504.40
  6. Step 6: Final answer
    x = 281,851.36

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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.