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Finding the Fourth Proportional to 575,690.83, 863,166.74 and 238,963.91

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Solution

The fourth proportional to 575,690.83, 863,166.74 and 238,963.91 is: 358,292.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,690.83 : 863,166.74 = 238,963.91 : x
  2. Step 2: Convert to fraction form
    575,690.83/863,166.74 = 238,963.91/x
  3. Step 3: Cross multiply
    575,690.83x = 863,166.74 × 238,963.91
  4. Step 4: Simplify right side
    575,690.83x = 206,265,696,089.36
  5. Step 5: Solve for x
    x = 206,265,696,089.36/575,690.83
  6. Step 6: Final answer
    x = 358,292.48

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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.