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Finding the Fourth Proportional to 292,550.78, 403,719.98 and 165,224.18

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Solution

The fourth proportional to 292,550.78, 403,719.98 and 165,224.18 is: 228,009.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,550.78 : 403,719.98 = 165,224.18 : x
  2. Step 2: Convert to fraction form
    292,550.78/403,719.98 = 165,224.18/x
  3. Step 3: Cross multiply
    292,550.78x = 403,719.98 × 165,224.18
  4. Step 4: Simplify right side
    292,550.78x = 66,704,302,645.12
  5. Step 5: Solve for x
    x = 66,704,302,645.12/292,550.78
  6. Step 6: Final answer
    x = 228,009.31

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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.