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Finding the Fourth Proportional to 564,530.88, 779,053.71 and 335,134.17

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Solution

The fourth proportional to 564,530.88, 779,053.71 and 335,134.17 is: 462,485.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,530.88 : 779,053.71 = 335,134.17 : x
  2. Step 2: Convert to fraction form
    564,530.88/779,053.71 = 335,134.17/x
  3. Step 3: Cross multiply
    564,530.88x = 779,053.71 × 335,134.17
  4. Step 4: Simplify right side
    564,530.88x = 261,087,518,486.27
  5. Step 5: Solve for x
    x = 261,087,518,486.27/564,530.88
  6. Step 6: Final answer
    x = 462,485.81

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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.