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Finding the Fourth Proportional to 588,756.21, 812,589.60 and 347,024.67

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Solution

The fourth proportional to 588,756.21, 812,589.60 and 347,024.67 is: 478,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,756.21 : 812,589.60 = 347,024.67 : x
  2. Step 2: Convert to fraction form
    588,756.21/812,589.60 = 347,024.67/x
  3. Step 3: Cross multiply
    588,756.21x = 812,589.60 × 347,024.67
  4. Step 4: Simplify right side
    588,756.21x = 281,988,637,785.43
  5. Step 5: Solve for x
    x = 281,988,637,785.43/588,756.21
  6. Step 6: Final answer
    x = 478,956.54

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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.