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Finding the Fourth Proportional to 619,232.54, 854,550.69 and 347,360.90

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Solution

The fourth proportional to 619,232.54, 854,550.69 and 347,360.90 is: 479,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,232.54 : 854,550.69 = 347,360.90 : x
  2. Step 2: Convert to fraction form
    619,232.54/854,550.69 = 347,360.90/x
  3. Step 3: Cross multiply
    619,232.54x = 854,550.69 × 347,360.90
  4. Step 4: Simplify right side
    619,232.54x = 296,837,496,774.02
  5. Step 5: Solve for x
    x = 296,837,496,774.02/619,232.54
  6. Step 6: Final answer
    x = 479,363.53

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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.