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Finding the Fourth Proportional to 523,219.04, 722,180.34 and 308,502.14

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Solution

The fourth proportional to 523,219.04, 722,180.34 and 308,502.14 is: 425,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,219.04 : 722,180.34 = 308,502.14 : x
  2. Step 2: Convert to fraction form
    523,219.04/722,180.34 = 308,502.14/x
  3. Step 3: Cross multiply
    523,219.04x = 722,180.34 × 308,502.14
  4. Step 4: Simplify right side
    523,219.04x = 222,794,180,355.93
  5. Step 5: Solve for x
    x = 222,794,180,355.93/523,219.04
  6. Step 6: Final answer
    x = 425,814.36

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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.