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Finding the Fourth Proportional to 343,374.40, 515,061.60 and 337,542.40

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Solution

The fourth proportional to 343,374.40, 515,061.60 and 337,542.40 is: 506,313.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,374.40 : 515,061.60 = 337,542.40 : x
  2. Step 2: Convert to fraction form
    343,374.40/515,061.60 = 337,542.40/x
  3. Step 3: Cross multiply
    343,374.40x = 515,061.60 × 337,542.40
  4. Step 4: Simplify right side
    343,374.40x = 173,855,128,611.84
  5. Step 5: Solve for x
    x = 173,855,128,611.84/343,374.40
  6. Step 6: Final answer
    x = 506,313.60

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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.