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Finding the Fourth Proportional to 264,281.60, 364,708.86 and 143,422.91

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Solution

The fourth proportional to 264,281.60, 364,708.86 and 143,422.91 is: 197,923.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,281.60 : 364,708.86 = 143,422.91 : x
  2. Step 2: Convert to fraction form
    264,281.60/364,708.86 = 143,422.91/x
  3. Step 3: Cross multiply
    264,281.60x = 364,708.86 × 143,422.91
  4. Step 4: Simplify right side
    264,281.60x = 52,307,606,003.98
  5. Step 5: Solve for x
    x = 52,307,606,003.98/264,281.60
  6. Step 6: Final answer
    x = 197,923.75

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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.