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Finding the Fourth Proportional to 614,408.76, 847,902.06 and 359,736.12

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Solution

The fourth proportional to 614,408.76, 847,902.06 and 359,736.12 is: 496,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,408.76 : 847,902.06 = 359,736.12 : x
  2. Step 2: Convert to fraction form
    614,408.76/847,902.06 = 359,736.12/x
  3. Step 3: Cross multiply
    614,408.76x = 847,902.06 × 359,736.12
  4. Step 4: Simplify right side
    614,408.76x = 305,020,997,204.41
  5. Step 5: Solve for x
    x = 305,020,997,204.41/614,408.76
  6. Step 6: Final answer
    x = 496,446.37

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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.