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Finding the Fourth Proportional to 575,782.74, 863,304.58 and 239,055.82

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Solution

The fourth proportional to 575,782.74, 863,304.58 and 239,055.82 is: 358,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,782.74 : 863,304.58 = 239,055.82 : x
  2. Step 2: Convert to fraction form
    575,782.74/863,304.58 = 239,055.82/x
  3. Step 3: Cross multiply
    575,782.74x = 863,304.58 × 239,055.82
  4. Step 4: Simplify right side
    575,782.74x = 206,377,982,422.21
  5. Step 5: Solve for x
    x = 206,377,982,422.21/575,782.74
  6. Step 6: Final answer
    x = 358,430.30

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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.