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Finding the Fourth Proportional to 576,437.84, 795,471 and 321,812.72

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Solution

The fourth proportional to 576,437.84, 795,471 and 321,812.72 is: 444,094.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,437.84 : 795,471 = 321,812.72 : x
  2. Step 2: Convert to fraction form
    576,437.84/795,471 = 321,812.72/x
  3. Step 3: Cross multiply
    576,437.84x = 795,471 × 321,812.72
  4. Step 4: Simplify right side
    576,437.84x = 255,992,686,191.12
  5. Step 5: Solve for x
    x = 255,992,686,191.12/576,437.84
  6. Step 6: Final answer
    x = 444,094.17

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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.