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Finding the Fourth Proportional to 349,201.59, 523,802.40 and 99,883.59

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Solution

The fourth proportional to 349,201.59, 523,802.40 and 99,883.59 is: 149,825.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,201.59 : 523,802.40 = 99,883.59 : x
  2. Step 2: Convert to fraction form
    349,201.59/523,802.40 = 99,883.59/x
  3. Step 3: Cross multiply
    349,201.59x = 523,802.40 × 99,883.59
  4. Step 4: Simplify right side
    349,201.59x = 52,319,264,162.62
  5. Step 5: Solve for x
    x = 52,319,264,162.62/349,201.59
  6. Step 6: Final answer
    x = 149,825.39

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Similar ratio
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1.5x scale

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.