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Finding the Fourth Proportional to 349,281.82, 523,484.31 and 149,367.04

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Solution

The fourth proportional to 349,281.82, 523,484.31 and 149,367.04 is: 223,863.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,281.82 : 523,484.31 = 149,367.04 : x
  2. Step 2: Convert to fraction form
    349,281.82/523,484.31 = 149,367.04/x
  3. Step 3: Cross multiply
    349,281.82x = 523,484.31 × 149,367.04
  4. Step 4: Simplify right side
    349,281.82x = 78,191,301,871.14
  5. Step 5: Solve for x
    x = 78,191,301,871.14/349,281.82
  6. Step 6: Final answer
    x = 223,863.07

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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.