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Finding the Fourth Proportional to 502,989.39, 754,577.24 and 166,053.51

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Solution

The fourth proportional to 502,989.39, 754,577.24 and 166,053.51 is: 249,111.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,989.39 : 754,577.24 = 166,053.51 : x
  2. Step 2: Convert to fraction form
    502,989.39/754,577.24 = 166,053.51/x
  3. Step 3: Cross multiply
    502,989.39x = 754,577.24 × 166,053.51
  4. Step 4: Simplify right side
    502,989.39x = 125,300,198,437.85
  5. Step 5: Solve for x
    x = 125,300,198,437.85/502,989.39
  6. Step 6: Final answer
    x = 249,111.02

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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.