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Finding the Fourth Proportional to 360,934.57, 496,948.43 and 317,883.61

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Solution

The fourth proportional to 360,934.57, 496,948.43 and 317,883.61 is: 437,674.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,934.57 : 496,948.43 = 317,883.61 : x
  2. Step 2: Convert to fraction form
    360,934.57/496,948.43 = 317,883.61/x
  3. Step 3: Cross multiply
    360,934.57x = 496,948.43 × 317,883.61
  4. Step 4: Simplify right side
    360,934.57x = 157,971,759,322.81
  5. Step 5: Solve for x
    x = 157,971,759,322.81/360,934.57
  6. Step 6: Final answer
    x = 437,674.23

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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.