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Finding the Fourth Proportional to 270,005.10, 404,230.05 and 165,029.10

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Solution

The fourth proportional to 270,005.10, 404,230.05 and 165,029.10 is: 247,068.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,005.10 : 404,230.05 = 165,029.10 : x
  2. Step 2: Convert to fraction form
    270,005.10/404,230.05 = 165,029.10/x
  3. Step 3: Cross multiply
    270,005.10x = 404,230.05 × 165,029.10
  4. Step 4: Simplify right side
    270,005.10x = 66,709,721,344.46
  5. Step 5: Solve for x
    x = 66,709,721,344.46/270,005.10
  6. Step 6: Final answer
    x = 247,068.38

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1.5x scale

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.