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Finding the Fourth Proportional to 575,112.69, 862,256.48 and 219,827.25

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Solution

The fourth proportional to 575,112.69, 862,256.48 and 219,827.25 is: 329,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,112.69 : 862,256.48 = 219,827.25 : x
  2. Step 2: Convert to fraction form
    575,112.69/862,256.48 = 219,827.25/x
  3. Step 3: Cross multiply
    575,112.69x = 862,256.48 × 219,827.25
  4. Step 4: Simplify right side
    575,112.69x = 189,547,469,693.94
  5. Step 5: Solve for x
    x = 189,547,469,693.94/575,112.69
  6. Step 6: Final answer
    x = 329,583.18

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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.