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Finding the Fourth Proportional to 537,658.61, 806,486.93 and 158,845.44

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Solution

The fourth proportional to 537,658.61, 806,486.93 and 158,845.44 is: 238,267.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,658.61 : 806,486.93 = 158,845.44 : x
  2. Step 2: Convert to fraction form
    537,658.61/806,486.93 = 158,845.44/x
  3. Step 3: Cross multiply
    537,658.61x = 806,486.93 × 158,845.44
  4. Step 4: Simplify right side
    537,658.61x = 128,106,770,455.87
  5. Step 5: Solve for x
    x = 128,106,770,455.87/537,658.61
  6. Step 6: Final answer
    x = 238,267.87

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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.