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Finding the Fourth Proportional to 293,115.90, 404,501.67 and 165,783.90

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Solution

The fourth proportional to 293,115.90, 404,501.67 and 165,783.90 is: 228,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,115.90 : 404,501.67 = 165,783.90 : x
  2. Step 2: Convert to fraction form
    293,115.90/404,501.67 = 165,783.90/x
  3. Step 3: Cross multiply
    293,115.90x = 404,501.67 × 165,783.90
  4. Step 4: Simplify right side
    293,115.90x = 67,059,864,409.11
  5. Step 5: Solve for x
    x = 67,059,864,409.11/293,115.90
  6. Step 6: Final answer
    x = 228,782.76

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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.