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Finding the Fourth Proportional to 484,919.93, 669,210.26 and 270,060

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Solution

The fourth proportional to 484,919.93, 669,210.26 and 270,060 is: 372,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,919.93 : 669,210.26 = 270,060 : x
  2. Step 2: Convert to fraction form
    484,919.93/669,210.26 = 270,060/x
  3. Step 3: Cross multiply
    484,919.93x = 669,210.26 × 270,060
  4. Step 4: Simplify right side
    484,919.93x = 180,726,921,465.30
  5. Step 5: Solve for x
    x = 180,726,921,465.30/484,919.93
  6. Step 6: Final answer
    x = 372,694.36

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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.