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Finding the Fourth Proportional to 582,003.70, 873,005.55 and 540,013.30

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Solution

The fourth proportional to 582,003.70, 873,005.55 and 540,013.30 is: 810,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,003.70 : 873,005.55 = 540,013.30 : x
  2. Step 2: Convert to fraction form
    582,003.70/873,005.55 = 540,013.30/x
  3. Step 3: Cross multiply
    582,003.70x = 873,005.55 × 540,013.30
  4. Step 4: Simplify right side
    582,003.70x = 471,434,607,973.82
  5. Step 5: Solve for x
    x = 471,434,607,973.82/582,003.70
  6. Step 6: Final answer
    x = 810,019.95

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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.