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Finding the Fourth Proportional to 339,233.49, 511,288.61 and 292,413.67

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Solution

The fourth proportional to 339,233.49, 511,288.61 and 292,413.67 is: 440,722.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,233.49 : 511,288.61 = 292,413.67 : x
  2. Step 2: Convert to fraction form
    339,233.49/511,288.61 = 292,413.67/x
  3. Step 3: Cross multiply
    339,233.49x = 511,288.61 × 292,413.67
  4. Step 4: Simplify right side
    339,233.49x = 149,507,776,139.01
  5. Step 5: Solve for x
    x = 149,507,776,139.01/339,233.49
  6. Step 6: Final answer
    x = 440,722.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.