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Finding the Fourth Proportional to 293,295.36, 404,720.64 and 165,950.40

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Solution

The fourth proportional to 293,295.36, 404,720.64 and 165,950.40 is: 228,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,295.36 : 404,720.64 = 165,950.40 : x
  2. Step 2: Convert to fraction form
    293,295.36/404,720.64 = 165,950.40/x
  3. Step 3: Cross multiply
    293,295.36x = 404,720.64 × 165,950.40
  4. Step 4: Simplify right side
    293,295.36x = 67,163,552,096.26
  5. Step 5: Solve for x
    x = 67,163,552,096.26/293,295.36
  6. Step 6: Final answer
    x = 228,996.30

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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.