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Finding the Fourth Proportional to 599,413.32, 826,332.30 and 369,817.20

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Solution

The fourth proportional to 599,413.32, 826,332.30 and 369,817.20 is: 509,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,413.32 : 826,332.30 = 369,817.20 : x
  2. Step 2: Convert to fraction form
    599,413.32/826,332.30 = 369,817.20/x
  3. Step 3: Cross multiply
    599,413.32x = 826,332.30 × 369,817.20
  4. Step 4: Simplify right side
    599,413.32x = 305,591,897,455.56
  5. Step 5: Solve for x
    x = 305,591,897,455.56/599,413.32
  6. Step 6: Final answer
    x = 509,818.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.