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Finding the Fourth Proportional to 1,663,923.99, 2,296,207.61 and 899,975.73

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Solution

The fourth proportional to 1,663,923.99, 2,296,207.61 and 899,975.73 is: 1,241,962.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,923.99 : 2,296,207.61 = 899,975.73 : x
  2. Step 2: Convert to fraction form
    1,663,923.99/2,296,207.61 = 899,975.73/x
  3. Step 3: Cross multiply
    1,663,923.99x = 2,296,207.61 × 899,975.73
  4. Step 4: Simplify right side
    1,663,923.99x = 2,066,531,115,541.43
  5. Step 5: Solve for x
    x = 2,066,531,115,541.43/1,663,923.99
  6. Step 6: Final answer
    x = 1,241,962.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.