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Finding the Fourth Proportional to 619,232.30, 928,848.45 and 367,289.90

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Solution

The fourth proportional to 619,232.30, 928,848.45 and 367,289.90 is: 550,934.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,232.30 : 928,848.45 = 367,289.90 : x
  2. Step 2: Convert to fraction form
    619,232.30/928,848.45 = 367,289.90/x
  3. Step 3: Cross multiply
    619,232.30x = 928,848.45 × 367,289.90
  4. Step 4: Simplify right side
    619,232.30x = 341,156,654,315.66
  5. Step 5: Solve for x
    x = 341,156,654,315.66/619,232.30
  6. Step 6: Final answer
    x = 550,934.85

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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.