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Finding the Fourth Proportional to 340,290.04, 510,456.06 and 103,650.12

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Solution

The fourth proportional to 340,290.04, 510,456.06 and 103,650.12 is: 155,481.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,290.04 : 510,456.06 = 103,650.12 : x
  2. Step 2: Convert to fraction form
    340,290.04/510,456.06 = 103,650.12/x
  3. Step 3: Cross multiply
    340,290.04x = 510,456.06 × 103,650.12
  4. Step 4: Simplify right side
    340,290.04x = 52,908,831,873.73
  5. Step 5: Solve for x
    x = 52,908,831,873.73/340,290.04
  6. Step 6: Final answer
    x = 155,481.58

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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.