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Finding the Fourth Proportional to 597,413.72, 897,143.34 and 399,009.08

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Solution

The fourth proportional to 597,413.72, 897,143.34 and 399,009.08 is: 599,196.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,413.72 : 897,143.34 = 399,009.08 : x
  2. Step 2: Convert to fraction form
    597,413.72/897,143.34 = 399,009.08/x
  3. Step 3: Cross multiply
    597,413.72x = 897,143.34 × 399,009.08
  4. Step 4: Simplify right side
    597,413.72x = 357,968,338,721.53
  5. Step 5: Solve for x
    x = 357,968,338,721.53/597,413.72
  6. Step 6: Final answer
    x = 599,196.72

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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.