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Finding the Fourth Proportional to 244,308.60, 366,365.70 and 86,455.80

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Solution

The fourth proportional to 244,308.60, 366,365.70 and 86,455.80 is: 129,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,308.60 : 366,365.70 = 86,455.80 : x
  2. Step 2: Convert to fraction form
    244,308.60/366,365.70 = 86,455.80/x
  3. Step 3: Cross multiply
    244,308.60x = 366,365.70 × 86,455.80
  4. Step 4: Simplify right side
    244,308.60x = 31,674,439,686.06
  5. Step 5: Solve for x
    x = 31,674,439,686.06/244,308.60
  6. Step 6: Final answer
    x = 129,649.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.