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Finding the Fourth Proportional to 343,897.60, 515,846.40 and 237,609.40

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Solution

The fourth proportional to 343,897.60, 515,846.40 and 237,609.40 is: 356,414.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,897.60 : 515,846.40 = 237,609.40 : x
  2. Step 2: Convert to fraction form
    343,897.60/515,846.40 = 237,609.40/x
  3. Step 3: Cross multiply
    343,897.60x = 515,846.40 × 237,609.40
  4. Step 4: Simplify right side
    343,897.60x = 122,569,953,596.16
  5. Step 5: Solve for x
    x = 122,569,953,596.16/343,897.60
  6. Step 6: Final answer
    x = 356,414.10

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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.