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Finding the Fourth Proportional to 619,492.62, 929,336.13 and 264,508.50

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Solution

The fourth proportional to 619,492.62, 929,336.13 and 264,508.50 is: 396,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,492.62 : 929,336.13 = 264,508.50 : x
  2. Step 2: Convert to fraction form
    619,492.62/929,336.13 = 264,508.50/x
  3. Step 3: Cross multiply
    619,492.62x = 929,336.13 × 264,508.50
  4. Step 4: Simplify right side
    619,492.62x = 245,817,305,742.11
  5. Step 5: Solve for x
    x = 245,817,305,742.11/619,492.62
  6. Step 6: Final answer
    x = 396,804.25

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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.