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Finding the Fourth Proportional to 361,340.64, 539,433.12 and 337,327.32

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Solution

The fourth proportional to 361,340.64, 539,433.12 and 337,327.32 is: 503,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,340.64 : 539,433.12 = 337,327.32 : x
  2. Step 2: Convert to fraction form
    361,340.64/539,433.12 = 337,327.32/x
  3. Step 3: Cross multiply
    361,340.64x = 539,433.12 × 337,327.32
  4. Step 4: Simplify right side
    361,340.64x = 181,965,528,688.84
  5. Step 5: Solve for x
    x = 181,965,528,688.84/361,340.64
  6. Step 6: Final answer
    x = 503,584.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.