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Finding the Fourth Proportional to 572,737.83, 790,331.96 and 331,036.06

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Solution

The fourth proportional to 572,737.83, 790,331.96 and 331,036.06 is: 456,803.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,737.83 : 790,331.96 = 331,036.06 : x
  2. Step 2: Convert to fraction form
    572,737.83/790,331.96 = 331,036.06/x
  3. Step 3: Cross multiply
    572,737.83x = 790,331.96 × 331,036.06
  4. Step 4: Simplify right side
    572,737.83x = 261,628,376,982.24
  5. Step 5: Solve for x
    x = 261,628,376,982.24/572,737.83
  6. Step 6: Final answer
    x = 456,803.03

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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.