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Finding the Fourth Proportional to 454,490.80, 680,744.76 and 374,709.04

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Solution

The fourth proportional to 454,490.80, 680,744.76 and 374,709.04 is: 561,246.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,490.80 : 680,744.76 = 374,709.04 : x
  2. Step 2: Convert to fraction form
    454,490.80/680,744.76 = 374,709.04/x
  3. Step 3: Cross multiply
    454,490.80x = 680,744.76 × 374,709.04
  4. Step 4: Simplify right side
    454,490.80x = 255,081,215,504.63
  5. Step 5: Solve for x
    x = 255,081,215,504.63/454,490.80
  6. Step 6: Final answer
    x = 561,246.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.