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Finding the Fourth Proportional to 454,314.87, 626,939.82 and 260,754.44

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Solution

The fourth proportional to 454,314.87, 626,939.82 and 260,754.44 is: 359,832.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,314.87 : 626,939.82 = 260,754.44 : x
  2. Step 2: Convert to fraction form
    454,314.87/626,939.82 = 260,754.44/x
  3. Step 3: Cross multiply
    454,314.87x = 626,939.82 × 260,754.44
  4. Step 4: Simplify right side
    454,314.87x = 163,477,338,543.10
  5. Step 5: Solve for x
    x = 163,477,338,543.10/454,314.87
  6. Step 6: Final answer
    x = 359,832.68

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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.