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Finding the Fourth Proportional to 536,433.09, 804,647.36 and 137,073.23

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Solution

The fourth proportional to 536,433.09, 804,647.36 and 137,073.23 is: 205,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,433.09 : 804,647.36 = 137,073.23 : x
  2. Step 2: Convert to fraction form
    536,433.09/804,647.36 = 137,073.23/x
  3. Step 3: Cross multiply
    536,433.09x = 804,647.36 × 137,073.23
  4. Step 4: Simplify right side
    536,433.09x = 110,295,607,937.57
  5. Step 5: Solve for x
    x = 110,295,607,937.57/536,433.09
  6. Step 6: Final answer
    x = 205,609.25

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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.