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Finding the Fourth Proportional to 349,818.17, 524,706.36 and 205,804.89

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Solution

The fourth proportional to 349,818.17, 524,706.36 and 205,804.89 is: 308,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,818.17 : 524,706.36 = 205,804.89 : x
  2. Step 2: Convert to fraction form
    349,818.17/524,706.36 = 205,804.89/x
  3. Step 3: Cross multiply
    349,818.17x = 524,706.36 × 205,804.89
  4. Step 4: Simplify right side
    349,818.17x = 107,987,134,702.10
  5. Step 5: Solve for x
    x = 107,987,134,702.10/349,818.17
  6. Step 6: Final answer
    x = 308,695.05

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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.