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Finding the Fourth Proportional to 559,185.77, 838,175.29 and 274,545.29

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Solution

The fourth proportional to 559,185.77, 838,175.29 and 274,545.29 is: 411,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,185.77 : 838,175.29 = 274,545.29 : x
  2. Step 2: Convert to fraction form
    559,185.77/838,175.29 = 274,545.29/x
  3. Step 3: Cross multiply
    559,185.77x = 838,175.29 × 274,545.29
  4. Step 4: Simplify right side
    559,185.77x = 230,117,073,186.64
  5. Step 5: Solve for x
    x = 230,117,073,186.64/559,185.77
  6. Step 6: Final answer
    x = 411,521.69

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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.