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Finding the Fourth Proportional to 550,343.10, 825,514.65 and 235,415.10

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Solution

The fourth proportional to 550,343.10, 825,514.65 and 235,415.10 is: 353,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,343.10 : 825,514.65 = 235,415.10 : x
  2. Step 2: Convert to fraction form
    550,343.10/825,514.65 = 235,415.10/x
  3. Step 3: Cross multiply
    550,343.10x = 825,514.65 × 235,415.10
  4. Step 4: Simplify right side
    550,343.10x = 194,338,613,881.22
  5. Step 5: Solve for x
    x = 194,338,613,881.22/550,343.10
  6. Step 6: Final answer
    x = 353,122.65

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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.