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Finding the Fourth Proportional to 734,518.60, 1,101,713.10 and 201,992.20

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Solution

The fourth proportional to 734,518.60, 1,101,713.10 and 201,992.20 is: 302,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,518.60 : 1,101,713.10 = 201,992.20 : x
  2. Step 2: Convert to fraction form
    734,518.60/1,101,713.10 = 201,992.20/x
  3. Step 3: Cross multiply
    734,518.60x = 1,101,713.10 × 201,992.20
  4. Step 4: Simplify right side
    734,518.60x = 222,537,452,837.82
  5. Step 5: Solve for x
    x = 222,537,452,837.82/734,518.60
  6. Step 6: Final answer
    x = 302,970.48

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Double scale
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Similar ratio
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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.