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Finding the Fourth Proportional to 575,686.44, 863,591.10 and 154,968.36

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Solution

The fourth proportional to 575,686.44, 863,591.10 and 154,968.36 is: 232,469.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,686.44 : 863,591.10 = 154,968.36 : x
  2. Step 2: Convert to fraction form
    575,686.44/863,591.10 = 154,968.36/x
  3. Step 3: Cross multiply
    575,686.44x = 863,591.10 × 154,968.36
  4. Step 4: Simplify right side
    575,686.44x = 133,829,296,477.60
  5. Step 5: Solve for x
    x = 133,829,296,477.60/575,686.44
  6. Step 6: Final answer
    x = 232,469.08

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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.