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Finding the Fourth Proportional to 501,385.71, 752,308.23 and 217,163.19

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Solution

The fourth proportional to 501,385.71, 752,308.23 and 217,163.19 is: 325,844.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,385.71 : 752,308.23 = 217,163.19 : x
  2. Step 2: Convert to fraction form
    501,385.71/752,308.23 = 217,163.19/x
  3. Step 3: Cross multiply
    501,385.71x = 752,308.23 × 217,163.19
  4. Step 4: Simplify right side
    501,385.71x = 163,373,655,090.05
  5. Step 5: Solve for x
    x = 163,373,655,090.05/501,385.71
  6. Step 6: Final answer
    x = 325,844.26

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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.