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Finding the Fourth Proportional to 374,363.40, 561,807.52 and 216,374.52

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Solution

The fourth proportional to 374,363.40, 561,807.52 and 216,374.52 is: 324,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,363.40 : 561,807.52 = 216,374.52 : x
  2. Step 2: Convert to fraction form
    374,363.40/561,807.52 = 216,374.52/x
  3. Step 3: Cross multiply
    374,363.40x = 561,807.52 × 216,374.52
  4. Step 4: Simplify right side
    374,363.40x = 121,560,832,472.39
  5. Step 5: Solve for x
    x = 121,560,832,472.39/374,363.40
  6. Step 6: Final answer
    x = 324,713.45

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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.