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Finding the Fourth Proportional to 381,859.98, 526,908.24 and 220,683.93

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Solution

The fourth proportional to 381,859.98, 526,908.24 and 220,683.93 is: 304,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,859.98 : 526,908.24 = 220,683.93 : x
  2. Step 2: Convert to fraction form
    381,859.98/526,908.24 = 220,683.93/x
  3. Step 3: Cross multiply
    381,859.98x = 526,908.24 × 220,683.93
  4. Step 4: Simplify right side
    381,859.98x = 116,280,181,152.58
  5. Step 5: Solve for x
    x = 116,280,181,152.58/381,859.98
  6. Step 6: Final answer
    x = 304,510.00

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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.