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Finding the Fourth Proportional to 575,431.58, 863,115.57 and 176,072.42

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Solution

The fourth proportional to 575,431.58, 863,115.57 and 176,072.42 is: 264,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,431.58 : 863,115.57 = 176,072.42 : x
  2. Step 2: Convert to fraction form
    575,431.58/863,115.57 = 176,072.42/x
  3. Step 3: Cross multiply
    575,431.58x = 863,115.57 × 176,072.42
  4. Step 4: Simplify right side
    575,431.58x = 151,970,842,834.00
  5. Step 5: Solve for x
    x = 151,970,842,834.00/575,431.58
  6. Step 6: Final answer
    x = 264,098.89

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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.