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Finding the Fourth Proportional to 496,572.31, 744,865.40 and 141,586.47

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Solution

The fourth proportional to 496,572.31, 744,865.40 and 141,586.47 is: 212,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,572.31 : 744,865.40 = 141,586.47 : x
  2. Step 2: Convert to fraction form
    496,572.31/744,865.40 = 141,586.47/x
  3. Step 3: Cross multiply
    496,572.31x = 744,865.40 × 141,586.47
  4. Step 4: Simplify right side
    496,572.31x = 105,462,862,611.14
  5. Step 5: Solve for x
    x = 105,462,862,611.14/496,572.31
  6. Step 6: Final answer
    x = 212,381.68

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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.