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Finding the Fourth Proportional to 483,611.73, 724,730.15 and 356,250.42

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Solution

The fourth proportional to 483,611.73, 724,730.15 and 356,250.42 is: 533,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,611.73 : 724,730.15 = 356,250.42 : x
  2. Step 2: Convert to fraction form
    483,611.73/724,730.15 = 356,250.42/x
  3. Step 3: Cross multiply
    483,611.73x = 724,730.15 × 356,250.42
  4. Step 4: Simplify right side
    483,611.73x = 258,185,421,214.79
  5. Step 5: Solve for x
    x = 258,185,421,214.79/483,611.73
  6. Step 6: Final answer
    x = 533,869.23

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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.