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Finding the Fourth Proportional to 454,079.80, 681,119.70 and 454,079.80

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Solution

The fourth proportional to 454,079.80, 681,119.70 and 454,079.80 is: 681,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,079.80 : 681,119.70 = 454,079.80 : x
  2. Step 2: Convert to fraction form
    454,079.80/681,119.70 = 454,079.80/x
  3. Step 3: Cross multiply
    454,079.80x = 681,119.70 × 454,079.80
  4. Step 4: Simplify right side
    454,079.80x = 309,282,697,152.06
  5. Step 5: Solve for x
    x = 309,282,697,152.06/454,079.80
  6. Step 6: Final answer
    x = 681,119.70

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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.