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Finding the Fourth Proportional to 319,752.30, 441,246.51 and 176,511.90

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Solution

The fourth proportional to 319,752.30, 441,246.51 and 176,511.90 is: 243,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,752.30 : 441,246.51 = 176,511.90 : x
  2. Step 2: Convert to fraction form
    319,752.30/441,246.51 = 176,511.90/x
  3. Step 3: Cross multiply
    319,752.30x = 441,246.51 × 176,511.90
  4. Step 4: Simplify right side
    319,752.30x = 77,885,259,848.47
  5. Step 5: Solve for x
    x = 77,885,259,848.47/319,752.30
  6. Step 6: Final answer
    x = 243,579.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.