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Finding the Fourth Proportional to 536,962.90, 805,388.91 and 181,967.74

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Solution

The fourth proportional to 536,962.90, 805,388.91 and 181,967.74 is: 272,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,962.90 : 805,388.91 = 181,967.74 : x
  2. Step 2: Convert to fraction form
    536,962.90/805,388.91 = 181,967.74/x
  3. Step 3: Cross multiply
    536,962.90x = 805,388.91 × 181,967.74
  4. Step 4: Simplify right side
    536,962.90x = 146,554,799,773.76
  5. Step 5: Solve for x
    x = 146,554,799,773.76/536,962.90
  6. Step 6: Final answer
    x = 272,932.82

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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.