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Finding the Fourth Proportional to 340,967.37, 511,432.45 and 104,310.06

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Solution

The fourth proportional to 340,967.37, 511,432.45 and 104,310.06 is: 156,459.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,967.37 : 511,432.45 = 104,310.06 : x
  2. Step 2: Convert to fraction form
    340,967.37/511,432.45 = 104,310.06/x
  3. Step 3: Cross multiply
    340,967.37x = 511,432.45 × 104,310.06
  4. Step 4: Simplify right side
    340,967.37x = 53,347,549,545.45
  5. Step 5: Solve for x
    x = 53,347,549,545.45/340,967.37
  6. Step 6: Final answer
    x = 156,459.40

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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.