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Finding the Fourth Proportional to 334,413.70, 501,620.55 and 147,789.70

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Solution

The fourth proportional to 334,413.70, 501,620.55 and 147,789.70 is: 221,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,413.70 : 501,620.55 = 147,789.70 : x
  2. Step 2: Convert to fraction form
    334,413.70/501,620.55 = 147,789.70/x
  3. Step 3: Cross multiply
    334,413.70x = 501,620.55 × 147,789.70
  4. Step 4: Simplify right side
    334,413.70x = 74,134,350,598.34
  5. Step 5: Solve for x
    x = 74,134,350,598.34/334,413.70
  6. Step 6: Final answer
    x = 221,684.55

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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.