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Finding the Fourth Proportional to 622,807.88, 934,609.19 and 223,439.81

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Solution

The fourth proportional to 622,807.88, 934,609.19 and 223,439.81 is: 335,302.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,807.88 : 934,609.19 = 223,439.81 : x
  2. Step 2: Convert to fraction form
    622,807.88/934,609.19 = 223,439.81/x
  3. Step 3: Cross multiply
    622,807.88x = 934,609.19 × 223,439.81
  4. Step 4: Simplify right side
    622,807.88x = 208,828,894,047.61
  5. Step 5: Solve for x
    x = 208,828,894,047.61/622,807.88
  6. Step 6: Final answer
    x = 335,302.27

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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.