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Finding the Fourth Proportional to 276,559.68, 414,489.60 and 176,681.28

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Solution

The fourth proportional to 276,559.68, 414,489.60 and 176,681.28 is: 264,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,559.68 : 414,489.60 = 176,681.28 : x
  2. Step 2: Convert to fraction form
    276,559.68/414,489.60 = 176,681.28/x
  3. Step 3: Cross multiply
    276,559.68x = 414,489.60 × 176,681.28
  4. Step 4: Simplify right side
    276,559.68x = 73,232,553,074.69
  5. Step 5: Solve for x
    x = 73,232,553,074.69/276,559.68
  6. Step 6: Final answer
    x = 264,798.37

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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.