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Finding the Fourth Proportional to 539,357.76, 808,967.52 and 165,349.44

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Solution

The fourth proportional to 539,357.76, 808,967.52 and 165,349.44 is: 248,002.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,357.76 : 808,967.52 = 165,349.44 : x
  2. Step 2: Convert to fraction form
    539,357.76/808,967.52 = 165,349.44/x
  3. Step 3: Cross multiply
    539,357.76x = 808,967.52 × 165,349.44
  4. Step 4: Simplify right side
    539,357.76x = 133,762,326,410.19
  5. Step 5: Solve for x
    x = 133,762,326,410.19/539,357.76
  6. Step 6: Final answer
    x = 248,002.97

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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.