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Finding the Fourth Proportional to 264,279.81, 364,708.81 and 143,422.14

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Solution

The fourth proportional to 264,279.81, 364,708.81 and 143,422.14 is: 197,924.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,279.81 : 364,708.81 = 143,422.14 : x
  2. Step 2: Convert to fraction form
    264,279.81/364,708.81 = 143,422.14/x
  3. Step 3: Cross multiply
    264,279.81x = 364,708.81 × 143,422.14
  4. Step 4: Simplify right side
    264,279.81x = 52,307,318,007.05
  5. Step 5: Solve for x
    x = 52,307,318,007.05/264,279.81
  6. Step 6: Final answer
    x = 197,924.00

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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.