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Finding the Fourth Proportional to 473,645.49, 710,974.01 and 203,907.12

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Solution

The fourth proportional to 473,645.49, 710,974.01 and 203,907.12 is: 306,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,645.49 : 710,974.01 = 203,907.12 : x
  2. Step 2: Convert to fraction form
    473,645.49/710,974.01 = 203,907.12/x
  3. Step 3: Cross multiply
    473,645.49x = 710,974.01 × 203,907.12
  4. Step 4: Simplify right side
    473,645.49x = 144,972,662,773.95
  5. Step 5: Solve for x
    x = 144,972,662,773.95/473,645.49
  6. Step 6: Final answer
    x = 306,078.42

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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.