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Finding the Fourth Proportional to 335,805.30, 503,707.95 and 111,200.40

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Solution

The fourth proportional to 335,805.30, 503,707.95 and 111,200.40 is: 166,800.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,805.30 : 503,707.95 = 111,200.40 : x
  2. Step 2: Convert to fraction form
    335,805.30/503,707.95 = 111,200.40/x
  3. Step 3: Cross multiply
    335,805.30x = 503,707.95 × 111,200.40
  4. Step 4: Simplify right side
    335,805.30x = 56,012,525,523.18
  5. Step 5: Solve for x
    x = 56,012,525,523.18/335,805.30
  6. Step 6: Final answer
    x = 166,800.60

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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.