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Finding the Fourth Proportional to 301,660.61, 416,296.67 and 165,700.28

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Solution

The fourth proportional to 301,660.61, 416,296.67 and 165,700.28 is: 228,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,660.61 : 416,296.67 = 165,700.28 : x
  2. Step 2: Convert to fraction form
    301,660.61/416,296.67 = 165,700.28/x
  3. Step 3: Cross multiply
    301,660.61x = 416,296.67 × 165,700.28
  4. Step 4: Simplify right side
    301,660.61x = 68,980,474,994.31
  5. Step 5: Solve for x
    x = 68,980,474,994.31/301,660.61
  6. Step 6: Final answer
    x = 228,669.15

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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.