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Finding the Fourth Proportional to 368,413.40, 552,597.54 and 216,694.38

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Solution

The fourth proportional to 368,413.40, 552,597.54 and 216,694.38 is: 325,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,413.40 : 552,597.54 = 216,694.38 : x
  2. Step 2: Convert to fraction form
    368,413.40/552,597.54 = 216,694.38/x
  3. Step 3: Cross multiply
    368,413.40x = 552,597.54 × 216,694.38
  4. Step 4: Simplify right side
    368,413.40x = 119,744,781,319.83
  5. Step 5: Solve for x
    x = 119,744,781,319.83/368,413.40
  6. Step 6: Final answer
    x = 325,028.30

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1.5x scale

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.