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Finding the Fourth Proportional to 374,288.67, 516,371.90 and 230,799.60

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Solution

The fourth proportional to 374,288.67, 516,371.90 and 230,799.60 is: 318,413.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,288.67 : 516,371.90 = 230,799.60 : x
  2. Step 2: Convert to fraction form
    374,288.67/516,371.90 = 230,799.60/x
  3. Step 3: Cross multiply
    374,288.67x = 516,371.90 × 230,799.60
  4. Step 4: Simplify right side
    374,288.67x = 119,178,426,817.24
  5. Step 5: Solve for x
    x = 119,178,426,817.24/374,288.67
  6. Step 6: Final answer
    x = 318,413.13

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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.