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Finding the Fourth Proportional to 360,964.07, 498,261.83 and 210,061.07

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Solution

The fourth proportional to 360,964.07, 498,261.83 and 210,061.07 is: 289,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,964.07 : 498,261.83 = 210,061.07 : x
  2. Step 2: Convert to fraction form
    360,964.07/498,261.83 = 210,061.07/x
  3. Step 3: Cross multiply
    360,964.07x = 498,261.83 × 210,061.07
  4. Step 4: Simplify right side
    360,964.07x = 104,665,410,658.65
  5. Step 5: Solve for x
    x = 104,665,410,658.65/360,964.07
  6. Step 6: Final answer
    x = 289,960.75

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1.5x scale

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.