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Finding the Fourth Proportional to 349,088.40, 523,483.56 and 132,805.44

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Solution

The fourth proportional to 349,088.40, 523,483.56 and 132,805.44 is: 199,151.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,088.40 : 523,483.56 = 132,805.44 : x
  2. Step 2: Convert to fraction form
    349,088.40/523,483.56 = 132,805.44/x
  3. Step 3: Cross multiply
    349,088.40x = 523,483.56 × 132,805.44
  4. Step 4: Simplify right side
    349,088.40x = 69,521,464,518.57
  5. Step 5: Solve for x
    x = 69,521,464,518.57/349,088.40
  6. Step 6: Final answer
    x = 199,151.46

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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.