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Finding the Fourth Proportional to 575,431.08, 863,114.82 and 176,071.92

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Solution

The fourth proportional to 575,431.08, 863,114.82 and 176,071.92 is: 264,098.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,431.08 : 863,114.82 = 176,071.92 : x
  2. Step 2: Convert to fraction form
    575,431.08/863,114.82 = 176,071.92/x
  3. Step 3: Cross multiply
    575,431.08x = 863,114.82 × 176,071.92
  4. Step 4: Simplify right side
    575,431.08x = 151,970,283,537.85
  5. Step 5: Solve for x
    x = 151,970,283,537.85/575,431.08
  6. Step 6: Final answer
    x = 264,098.15

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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.