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Finding the Fourth Proportional to 323,312.58, 484,778.52 and 123,647.58

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Solution

The fourth proportional to 323,312.58, 484,778.52 and 123,647.58 is: 185,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,312.58 : 484,778.52 = 123,647.58 : x
  2. Step 2: Convert to fraction form
    323,312.58/484,778.52 = 123,647.58/x
  3. Step 3: Cross multiply
    323,312.58x = 484,778.52 × 123,647.58
  4. Step 4: Simplify right side
    323,312.58x = 59,941,690,833.98
  5. Step 5: Solve for x
    x = 59,941,690,833.98/323,312.58
  6. Step 6: Final answer
    x = 185,398.57

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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.