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Finding the Fourth Proportional to 474,792.60, 655,109.03 and 281,104.14

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Solution

The fourth proportional to 474,792.60, 655,109.03 and 281,104.14 is: 387,861.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,792.60 : 655,109.03 = 281,104.14 : x
  2. Step 2: Convert to fraction form
    474,792.60/655,109.03 = 281,104.14/x
  3. Step 3: Cross multiply
    474,792.60x = 655,109.03 × 281,104.14
  4. Step 4: Simplify right side
    474,792.60x = 184,153,860,484.38
  5. Step 5: Solve for x
    x = 184,153,860,484.38/474,792.60
  6. Step 6: Final answer
    x = 387,861.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.