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Finding the Fourth Proportional to 550,442.40, 825,663.60 and 235,514.40

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Solution

The fourth proportional to 550,442.40, 825,663.60 and 235,514.40 is: 353,271.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,442.40 : 825,663.60 = 235,514.40 : x
  2. Step 2: Convert to fraction form
    550,442.40/825,663.60 = 235,514.40/x
  3. Step 3: Cross multiply
    550,442.40x = 825,663.60 × 235,514.40
  4. Step 4: Simplify right side
    550,442.40x = 194,455,667,355.84
  5. Step 5: Solve for x
    x = 194,455,667,355.84/550,442.40
  6. Step 6: Final answer
    x = 353,271.60

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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.