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Finding the Fourth Proportional to 582,807.35, 873,476.75 and 312,264.52

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Solution

The fourth proportional to 582,807.35, 873,476.75 and 312,264.52 is: 468,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,807.35 : 873,476.75 = 312,264.52 : x
  2. Step 2: Convert to fraction form
    582,807.35/873,476.75 = 312,264.52/x
  3. Step 3: Cross multiply
    582,807.35x = 873,476.75 × 312,264.52
  4. Step 4: Simplify right side
    582,807.35x = 272,755,796,666.88
  5. Step 5: Solve for x
    x = 272,755,796,666.88/582,807.35
  6. Step 6: Final answer
    x = 468,003.36

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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.