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Finding the Fourth Proportional to 588,755.21, 812,588.22 and 347,023.67

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Solution

The fourth proportional to 588,755.21, 812,588.22 and 347,023.67 is: 478,955.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,755.21 : 812,588.22 = 347,023.67 : x
  2. Step 2: Convert to fraction form
    588,755.21/812,588.22 = 347,023.67/x
  3. Step 3: Cross multiply
    588,755.21x = 812,588.22 × 347,023.67
  4. Step 4: Simplify right side
    588,755.21x = 281,987,342,240.23
  5. Step 5: Solve for x
    x = 281,987,342,240.23/588,755.21
  6. Step 6: Final answer
    x = 478,955.16

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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.