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Finding the Fourth Proportional to 358,890.66, 537,892.65 and 181,448.28

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Solution

The fourth proportional to 358,890.66, 537,892.65 and 181,448.28 is: 271,948.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,890.66 : 537,892.65 = 181,448.28 : x
  2. Step 2: Convert to fraction form
    358,890.66/537,892.65 = 181,448.28/x
  3. Step 3: Cross multiply
    358,890.66x = 537,892.65 × 181,448.28
  4. Step 4: Simplify right side
    358,890.66x = 97,599,696,167.14
  5. Step 5: Solve for x
    x = 97,599,696,167.14/358,890.66
  6. Step 6: Final answer
    x = 271,948.28

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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.