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Finding the Fourth Proportional to 347,269.70, 520,904.55 and 110,636.30

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Solution

The fourth proportional to 347,269.70, 520,904.55 and 110,636.30 is: 165,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,269.70 : 520,904.55 = 110,636.30 : x
  2. Step 2: Convert to fraction form
    347,269.70/520,904.55 = 110,636.30/x
  3. Step 3: Cross multiply
    347,269.70x = 520,904.55 × 110,636.30
  4. Step 4: Simplify right side
    347,269.70x = 57,630,952,065.17
  5. Step 5: Solve for x
    x = 57,630,952,065.17/347,269.70
  6. Step 6: Final answer
    x = 165,954.45

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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.