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Finding the Fourth Proportional to 374,413.51, 516,618.97 and 213,265.03

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Solution

The fourth proportional to 374,413.51, 516,618.97 and 213,265.03 is: 294,264.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,413.51 : 516,618.97 = 213,265.03 : x
  2. Step 2: Convert to fraction form
    374,413.51/516,618.97 = 213,265.03/x
  3. Step 3: Cross multiply
    374,413.51x = 516,618.97 × 213,265.03
  4. Step 4: Simplify right side
    374,413.51x = 110,176,760,135.62
  5. Step 5: Solve for x
    x = 110,176,760,135.62/374,413.51
  6. Step 6: Final answer
    x = 294,264.92

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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.