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Finding the Fourth Proportional to 334,413.80, 501,620.70 and 109,808.90

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Solution

The fourth proportional to 334,413.80, 501,620.70 and 109,808.90 is: 164,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,413.80 : 501,620.70 = 109,808.90 : x
  2. Step 2: Convert to fraction form
    334,413.80/501,620.70 = 109,808.90/x
  3. Step 3: Cross multiply
    334,413.80x = 501,620.70 × 109,808.90
  4. Step 4: Simplify right side
    334,413.80x = 55,082,417,284.23
  5. Step 5: Solve for x
    x = 55,082,417,284.23/334,413.80
  6. Step 6: Final answer
    x = 164,713.35

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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.