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Finding the Fourth Proportional to 454,318.87, 626,945.34 and 260,758.44

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Solution

The fourth proportional to 454,318.87, 626,945.34 and 260,758.44 is: 359,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,318.87 : 626,945.34 = 260,758.44 : x
  2. Step 2: Convert to fraction form
    454,318.87/626,945.34 = 260,758.44/x
  3. Step 3: Cross multiply
    454,318.87x = 626,945.34 × 260,758.44
  4. Step 4: Simplify right side
    454,318.87x = 163,481,288,823.67
  5. Step 5: Solve for x
    x = 163,481,288,823.67/454,318.87
  6. Step 6: Final answer
    x = 359,838.21

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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.