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Finding the Fourth Proportional to 282,793.41, 390,124.83 and 250,560.66

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Solution

The fourth proportional to 282,793.41, 390,124.83 and 250,560.66 is: 345,658.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,793.41 : 390,124.83 = 250,560.66 : x
  2. Step 2: Convert to fraction form
    282,793.41/390,124.83 = 250,560.66/x
  3. Step 3: Cross multiply
    282,793.41x = 390,124.83 × 250,560.66
  4. Step 4: Simplify right side
    282,793.41x = 97,749,934,887.19
  5. Step 5: Solve for x
    x = 97,749,934,887.19/282,793.41
  6. Step 6: Final answer
    x = 345,658.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.