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Finding the Fourth Proportional to 559,753.52, 839,215.56 and 338,085.68

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Solution

The fourth proportional to 559,753.52, 839,215.56 and 338,085.68 is: 506,878.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,753.52 : 839,215.56 = 338,085.68 : x
  2. Step 2: Convert to fraction form
    559,753.52/839,215.56 = 338,085.68/x
  3. Step 3: Cross multiply
    559,753.52x = 839,215.56 × 338,085.68
  4. Step 4: Simplify right side
    559,753.52x = 283,726,763,269.18
  5. Step 5: Solve for x
    x = 283,726,763,269.18/559,753.52
  6. Step 6: Final answer
    x = 506,878.03

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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.