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Finding the Fourth Proportional to 574,205.96, 792,396.44 and 319,557.15

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Solution

The fourth proportional to 574,205.96, 792,396.44 and 319,557.15 is: 440,984.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,205.96 : 792,396.44 = 319,557.15 : x
  2. Step 2: Convert to fraction form
    574,205.96/792,396.44 = 319,557.15/x
  3. Step 3: Cross multiply
    574,205.96x = 792,396.44 × 319,557.15
  4. Step 4: Simplify right side
    574,205.96x = 253,215,947,637.10
  5. Step 5: Solve for x
    x = 253,215,947,637.10/574,205.96
  6. Step 6: Final answer
    x = 440,984.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.