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Finding the Fourth Proportional to 575,981.44, 864,357.80 and 239,022.42

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Solution

The fourth proportional to 575,981.44, 864,357.80 and 239,022.42 is: 358,693.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,981.44 : 864,357.80 = 239,022.42 : x
  2. Step 2: Convert to fraction form
    575,981.44/864,357.80 = 239,022.42/x
  3. Step 3: Cross multiply
    575,981.44x = 864,357.80 × 239,022.42
  4. Step 4: Simplify right side
    575,981.44x = 206,600,893,101.88
  5. Step 5: Solve for x
    x = 206,600,893,101.88/575,981.44
  6. Step 6: Final answer
    x = 358,693.66

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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.