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Finding the Fourth Proportional to 524,176.97, 786,266.48 and 145,098.79

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Solution

The fourth proportional to 524,176.97, 786,266.48 and 145,098.79 is: 217,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,176.97 : 786,266.48 = 145,098.79 : x
  2. Step 2: Convert to fraction form
    524,176.97/786,266.48 = 145,098.79/x
  3. Step 3: Cross multiply
    524,176.97x = 786,266.48 × 145,098.79
  4. Step 4: Simplify right side
    524,176.97x = 114,086,317,481.34
  5. Step 5: Solve for x
    x = 114,086,317,481.34/524,176.97
  6. Step 6: Final answer
    x = 217,648.47

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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.