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Finding the Fourth Proportional to 536,345.48, 804,517.58 and 136,986.60

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Solution

The fourth proportional to 536,345.48, 804,517.58 and 136,986.60 is: 205,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,345.48 : 804,517.58 = 136,986.60 : x
  2. Step 2: Convert to fraction form
    536,345.48/804,517.58 = 136,986.60/x
  3. Step 3: Cross multiply
    536,345.48x = 804,517.58 × 136,986.60
  4. Step 4: Simplify right side
    536,345.48x = 110,208,127,924.43
  5. Step 5: Solve for x
    x = 110,208,127,924.43/536,345.48
  6. Step 6: Final answer
    x = 205,479.74

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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.