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Finding the Fourth Proportional to 334,280.42, 501,413.33 and 81,563.12

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Solution

The fourth proportional to 334,280.42, 501,413.33 and 81,563.12 is: 122,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,280.42 : 501,413.33 = 81,563.12 : x
  2. Step 2: Convert to fraction form
    334,280.42/501,413.33 = 81,563.12/x
  3. Step 3: Cross multiply
    334,280.42x = 501,413.33 × 81,563.12
  4. Step 4: Simplify right side
    334,280.42x = 40,896,833,301.23
  5. Step 5: Solve for x
    x = 40,896,833,301.23/334,280.42
  6. Step 6: Final answer
    x = 122,342.89

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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.