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Finding the Fourth Proportional to 335,805.80, 503,708.70 and 111,200.90

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Solution

The fourth proportional to 335,805.80, 503,708.70 and 111,200.90 is: 166,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,805.80 : 503,708.70 = 111,200.90 : x
  2. Step 2: Convert to fraction form
    335,805.80/503,708.70 = 111,200.90/x
  3. Step 3: Cross multiply
    335,805.80x = 503,708.70 × 111,200.90
  4. Step 4: Simplify right side
    335,805.80x = 56,012,860,777.83
  5. Step 5: Solve for x
    x = 56,012,860,777.83/335,805.80
  6. Step 6: Final answer
    x = 166,801.35

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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.