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Finding the Fourth Proportional to 445,947.42, 615,366.41 and 264,628.11

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Solution

The fourth proportional to 445,947.42, 615,366.41 and 264,628.11 is: 365,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,947.42 : 615,366.41 = 264,628.11 : x
  2. Step 2: Convert to fraction form
    445,947.42/615,366.41 = 264,628.11/x
  3. Step 3: Cross multiply
    445,947.42x = 615,366.41 × 264,628.11
  4. Step 4: Simplify right side
    445,947.42x = 162,843,248,712.65
  5. Step 5: Solve for x
    x = 162,843,248,712.65/445,947.42
  6. Step 6: Final answer
    x = 365,162.44

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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.