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Finding the Fourth Proportional to 575,411.80, 863,086.52 and 176,052.64

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Solution

The fourth proportional to 575,411.80, 863,086.52 and 176,052.64 is: 264,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,411.80 : 863,086.52 = 176,052.64 : x
  2. Step 2: Convert to fraction form
    575,411.80/863,086.52 = 176,052.64/x
  3. Step 3: Cross multiply
    575,411.80x = 863,086.52 × 176,052.64
  4. Step 4: Simplify right side
    575,411.80x = 151,948,660,394.41
  5. Step 5: Solve for x
    x = 151,948,660,394.41/575,411.80
  6. Step 6: Final answer
    x = 264,069.42

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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.