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Finding the Fourth Proportional to 999,957.22, 1,499,945.55 and 252,003.22

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Solution

The fourth proportional to 999,957.22, 1,499,945.55 and 252,003.22 is: 378,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,957.22 : 1,499,945.55 = 252,003.22 : x
  2. Step 2: Convert to fraction form
    999,957.22/1,499,945.55 = 252,003.22/x
  3. Step 3: Cross multiply
    999,957.22x = 1,499,945.55 × 252,003.22
  4. Step 4: Simplify right side
    999,957.22x = 377,991,108,424.67
  5. Step 5: Solve for x
    x = 377,991,108,424.67/999,957.22
  6. Step 6: Final answer
    x = 378,007.28

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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.