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Finding the Fourth Proportional to 434,545.20, 651,040.20 and 367,671.60

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Solution

The fourth proportional to 434,545.20, 651,040.20 and 367,671.60 is: 550,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,545.20 : 651,040.20 = 367,671.60 : x
  2. Step 2: Convert to fraction form
    434,545.20/651,040.20 = 367,671.60/x
  3. Step 3: Cross multiply
    434,545.20x = 651,040.20 × 367,671.60
  4. Step 4: Simplify right side
    434,545.20x = 239,368,991,998.32
  5. Step 5: Solve for x
    x = 239,368,991,998.32/434,545.20
  6. Step 6: Final answer
    x = 550,849.47

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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.