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Finding the Fourth Proportional to 590,959.19, 821,029.32 and 583,873.31

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Solution

The fourth proportional to 590,959.19, 821,029.32 and 583,873.31 is: 811,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,959.19 : 821,029.32 = 583,873.31 : x
  2. Step 2: Convert to fraction form
    590,959.19/821,029.32 = 583,873.31/x
  3. Step 3: Cross multiply
    590,959.19x = 821,029.32 × 583,873.31
  4. Step 4: Simplify right side
    590,959.19x = 479,377,106,675.45
  5. Step 5: Solve for x
    x = 479,377,106,675.45/590,959.19
  6. Step 6: Final answer
    x = 811,184.79

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.