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Finding the Fourth Proportional to 294,303.57, 406,126.67 and 166,986.15

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Solution

The fourth proportional to 294,303.57, 406,126.67 and 166,986.15 is: 230,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,303.57 : 406,126.67 = 166,986.15 : x
  2. Step 2: Convert to fraction form
    294,303.57/406,126.67 = 166,986.15/x
  3. Step 3: Cross multiply
    294,303.57x = 406,126.67 × 166,986.15
  4. Step 4: Simplify right side
    294,303.57x = 67,817,529,035.62
  5. Step 5: Solve for x
    x = 67,817,529,035.62/294,303.57
  6. Step 6: Final answer
    x = 230,433.93

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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.