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Finding the Fourth Proportional to 594,388.80, 891,691.20 and 194,918.40

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Solution

The fourth proportional to 594,388.80, 891,691.20 and 194,918.40 is: 292,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,388.80 : 891,691.20 = 194,918.40 : x
  2. Step 2: Convert to fraction form
    594,388.80/891,691.20 = 194,918.40/x
  3. Step 3: Cross multiply
    594,388.80x = 891,691.20 × 194,918.40
  4. Step 4: Simplify right side
    594,388.80x = 173,807,021,998.08
  5. Step 5: Solve for x
    x = 173,807,021,998.08/594,388.80
  6. Step 6: Final answer
    x = 292,413.02

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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.