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Finding the Fourth Proportional to 537,855.60, 806,005.80 and 238,090.80

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Solution

The fourth proportional to 537,855.60, 806,005.80 and 238,090.80 is: 356,791.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,855.60 : 806,005.80 = 238,090.80 : x
  2. Step 2: Convert to fraction form
    537,855.60/806,005.80 = 238,090.80/x
  3. Step 3: Cross multiply
    537,855.60x = 806,005.80 × 238,090.80
  4. Step 4: Simplify right side
    537,855.60x = 191,902,565,726.64
  5. Step 5: Solve for x
    x = 191,902,565,726.64/537,855.60
  6. Step 6: Final answer
    x = 356,791.98

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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.