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Finding the Fourth Proportional to 484,738.68, 668,937.84 and 269,873.16

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Solution

The fourth proportional to 484,738.68, 668,937.84 and 269,873.16 is: 372,424.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,738.68 : 668,937.84 = 269,873.16 : x
  2. Step 2: Convert to fraction form
    484,738.68/668,937.84 = 269,873.16/x
  3. Step 3: Cross multiply
    484,738.68x = 668,937.84 × 269,873.16
  4. Step 4: Simplify right side
    484,738.68x = 180,528,368,724.37
  5. Step 5: Solve for x
    x = 180,528,368,724.37/484,738.68
  6. Step 6: Final answer
    x = 372,424.10

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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.