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Finding the Fourth Proportional to 343,362.40, 515,043.60 and 337,530.40

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Solution

The fourth proportional to 343,362.40, 515,043.60 and 337,530.40 is: 506,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,362.40 : 515,043.60 = 337,530.40 : x
  2. Step 2: Convert to fraction form
    343,362.40/515,043.60 = 337,530.40/x
  3. Step 3: Cross multiply
    343,362.40x = 515,043.60 × 337,530.40
  4. Step 4: Simplify right side
    343,362.40x = 173,842,872,325.44
  5. Step 5: Solve for x
    x = 173,842,872,325.44/343,362.40
  6. Step 6: Final answer
    x = 506,295.60

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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.