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Finding the Fourth Proportional to 614,440.30, 922,243.65 and 525,793.90

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Solution

The fourth proportional to 614,440.30, 922,243.65 and 525,793.90 is: 789,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,440.30 : 922,243.65 = 525,793.90 : x
  2. Step 2: Convert to fraction form
    614,440.30/922,243.65 = 525,793.90/x
  3. Step 3: Cross multiply
    614,440.30x = 922,243.65 × 525,793.90
  4. Step 4: Simplify right side
    614,440.30x = 484,910,085,483.74
  5. Step 5: Solve for x
    x = 484,910,085,483.74/614,440.30
  6. Step 6: Final answer
    x = 789,189.91

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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.