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Finding the Fourth Proportional to 603,262.20, 904,892.34 and 153,983

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Solution

The fourth proportional to 603,262.20, 904,892.34 and 153,983 is: 230,974.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,262.20 : 904,892.34 = 153,983 : x
  2. Step 2: Convert to fraction form
    603,262.20/904,892.34 = 153,983/x
  3. Step 3: Cross multiply
    603,262.20x = 904,892.34 × 153,983
  4. Step 4: Simplify right side
    603,262.20x = 139,338,037,190.22
  5. Step 5: Solve for x
    x = 139,338,037,190.22/603,262.20
  6. Step 6: Final answer
    x = 230,974.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.