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Finding the Fourth Proportional to 360,935.57, 496,949.80 and 317,884.61

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Solution

The fourth proportional to 360,935.57, 496,949.80 and 317,884.61 is: 437,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,935.57 : 496,949.80 = 317,884.61 : x
  2. Step 2: Convert to fraction form
    360,935.57/496,949.80 = 317,884.61/x
  3. Step 3: Cross multiply
    360,935.57x = 496,949.80 × 317,884.61
  4. Step 4: Simplify right side
    360,935.57x = 157,972,693,362.58
  5. Step 5: Solve for x
    x = 157,972,693,362.58/360,935.57
  6. Step 6: Final answer
    x = 437,675.60

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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.