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Finding the Fourth Proportional to 293,697.54, 405,322.65 and 166,374.18

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Solution

The fourth proportional to 293,697.54, 405,322.65 and 166,374.18 is: 229,607.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,697.54 : 405,322.65 = 166,374.18 : x
  2. Step 2: Convert to fraction form
    293,697.54/405,322.65 = 166,374.18/x
  3. Step 3: Cross multiply
    293,697.54x = 405,322.65 × 166,374.18
  4. Step 4: Simplify right side
    293,697.54x = 67,435,223,529.18
  5. Step 5: Solve for x
    x = 67,435,223,529.18/293,697.54
  6. Step 6: Final answer
    x = 229,607.72

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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.