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Finding the Fourth Proportional to 352,282.60, 528,035.10 and 194,624.20

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Solution

The fourth proportional to 352,282.60, 528,035.10 and 194,624.20 is: 291,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,282.60 : 528,035.10 = 194,624.20 : x
  2. Step 2: Convert to fraction form
    352,282.60/528,035.10 = 194,624.20/x
  3. Step 3: Cross multiply
    352,282.60x = 528,035.10 × 194,624.20
  4. Step 4: Simplify right side
    352,282.60x = 102,768,408,909.42
  5. Step 5: Solve for x
    x = 102,768,408,909.42/352,282.60
  6. Step 6: Final answer
    x = 291,721.50

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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.