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Finding the Fourth Proportional to 575,745.16, 863,628.56 and 196,752.64

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Solution

The fourth proportional to 575,745.16, 863,628.56 and 196,752.64 is: 295,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,745.16 : 863,628.56 = 196,752.64 : x
  2. Step 2: Convert to fraction form
    575,745.16/863,628.56 = 196,752.64/x
  3. Step 3: Cross multiply
    575,745.16x = 863,628.56 × 196,752.64
  4. Step 4: Simplify right side
    575,745.16x = 169,921,199,159.40
  5. Step 5: Solve for x
    x = 169,921,199,159.40/575,745.16
  6. Step 6: Final answer
    x = 295,132.66

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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.