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Finding the Fourth Proportional to 575,521.02, 863,360.31 and 196,339.95

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Solution

The fourth proportional to 575,521.02, 863,360.31 and 196,339.95 is: 294,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,521.02 : 863,360.31 = 196,339.95 : x
  2. Step 2: Convert to fraction form
    575,521.02/863,360.31 = 196,339.95/x
  3. Step 3: Cross multiply
    575,521.02x = 863,360.31 × 196,339.95
  4. Step 4: Simplify right side
    575,521.02x = 169,512,115,780.58
  5. Step 5: Solve for x
    x = 169,512,115,780.58/575,521.02
  6. Step 6: Final answer
    x = 294,536.80

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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.