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Finding the Fourth Proportional to 619,234.30, 928,851.45 and 367,291.90

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Solution

The fourth proportional to 619,234.30, 928,851.45 and 367,291.90 is: 550,937.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,234.30 : 928,851.45 = 367,291.90 : x
  2. Step 2: Convert to fraction form
    619,234.30/928,851.45 = 367,291.90/x
  3. Step 3: Cross multiply
    619,234.30x = 928,851.45 × 367,291.90
  4. Step 4: Simplify right side
    619,234.30x = 341,159,613,888.26
  5. Step 5: Solve for x
    x = 341,159,613,888.26/619,234.30
  6. Step 6: Final answer
    x = 550,937.85

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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.