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Finding the Fourth Proportional to 724,043.00, 999,186.23 and 401,783.09

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Solution

The fourth proportional to 724,043.00, 999,186.23 and 401,783.09 is: 554,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,043.00 : 999,186.23 = 401,783.09 : x
  2. Step 2: Convert to fraction form
    724,043.00/999,186.23 = 401,783.09/x
  3. Step 3: Cross multiply
    724,043.00x = 999,186.23 × 401,783.09
  4. Step 4: Simplify right side
    724,043.00x = 401,456,126,983.38
  5. Step 5: Solve for x
    x = 401,456,126,983.38/724,043.00
  6. Step 6: Final answer
    x = 554,464.48

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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.