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Finding the Fourth Proportional to 292,776.05, 404,025.66 and 165,448.91

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Solution

The fourth proportional to 292,776.05, 404,025.66 and 165,448.91 is: 228,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,776.05 : 404,025.66 = 165,448.91 : x
  2. Step 2: Convert to fraction form
    292,776.05/404,025.66 = 165,448.91/x
  3. Step 3: Cross multiply
    292,776.05x = 404,025.66 × 165,448.91
  4. Step 4: Simplify right side
    292,776.05x = 66,845,606,069.09
  5. Step 5: Solve for x
    x = 66,845,606,069.09/292,776.05
  6. Step 6: Final answer
    x = 228,316.51

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1.5x scale

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.