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Finding the Fourth Proportional to 454,315.87, 626,941.20 and 260,755.44

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Solution

The fourth proportional to 454,315.87, 626,941.20 and 260,755.44 is: 359,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,315.87 : 626,941.20 = 260,755.44 : x
  2. Step 2: Convert to fraction form
    454,315.87/626,941.20 = 260,755.44/x
  3. Step 3: Cross multiply
    454,315.87x = 626,941.20 × 260,755.44
  4. Step 4: Simplify right side
    454,315.87x = 163,478,328,460.13
  5. Step 5: Solve for x
    x = 163,478,328,460.13/454,315.87
  6. Step 6: Final answer
    x = 359,834.07

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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.