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Finding the Fourth Proportional to 577,040.40, 864,869.40 and 296,413.20

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Solution

The fourth proportional to 577,040.40, 864,869.40 and 296,413.20 is: 444,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,040.40 : 864,869.40 = 296,413.20 : x
  2. Step 2: Convert to fraction form
    577,040.40/864,869.40 = 296,413.20/x
  3. Step 3: Cross multiply
    577,040.40x = 864,869.40 × 296,413.20
  4. Step 4: Simplify right side
    577,040.40x = 256,358,706,436.08
  5. Step 5: Solve for x
    x = 256,358,706,436.08/577,040.40
  6. Step 6: Final answer
    x = 444,264.75

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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.