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Finding the Fourth Proportional to 404,691.48, 606,894.69 and 134,746.29

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Solution

The fourth proportional to 404,691.48, 606,894.69 and 134,746.29 is: 202,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,691.48 : 606,894.69 = 134,746.29 : x
  2. Step 2: Convert to fraction form
    404,691.48/606,894.69 = 134,746.29/x
  3. Step 3: Cross multiply
    404,691.48x = 606,894.69 × 134,746.29
  4. Step 4: Simplify right side
    404,691.48x = 81,776,807,898.20
  5. Step 5: Solve for x
    x = 81,776,807,898.20/404,691.48
  6. Step 6: Final answer
    x = 202,071.98

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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.