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Finding the Fourth Proportional to 576,663.84, 795,776.40 and 322,008.48

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Solution

The fourth proportional to 576,663.84, 795,776.40 and 322,008.48 is: 444,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,663.84 : 795,776.40 = 322,008.48 : x
  2. Step 2: Convert to fraction form
    576,663.84/795,776.40 = 322,008.48/x
  3. Step 3: Cross multiply
    576,663.84x = 795,776.40 × 322,008.48
  4. Step 4: Simplify right side
    576,663.84x = 256,246,748,983.87
  5. Step 5: Solve for x
    x = 256,246,748,983.87/576,663.84
  6. Step 6: Final answer
    x = 444,360.70

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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.