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Finding the Fourth Proportional to 367,346.84, 550,808.10 and 142,444.53

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Solution

The fourth proportional to 367,346.84, 550,808.10 and 142,444.53 is: 213,584.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,346.84 : 550,808.10 = 142,444.53 : x
  2. Step 2: Convert to fraction form
    367,346.84/550,808.10 = 142,444.53/x
  3. Step 3: Cross multiply
    367,346.84x = 550,808.10 × 142,444.53
  4. Step 4: Simplify right side
    367,346.84x = 78,459,600,924.69
  5. Step 5: Solve for x
    x = 78,459,600,924.69/367,346.84
  6. Step 6: Final answer
    x = 213,584.53

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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.