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Finding the Fourth Proportional to 1,147,866.96, 1,584,048.96 and 631,652.34

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Solution

The fourth proportional to 1,147,866.96, 1,584,048.96 and 631,652.34 is: 871,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,866.96 : 1,584,048.96 = 631,652.34 : x
  2. Step 2: Convert to fraction form
    1,147,866.96/1,584,048.96 = 631,652.34/x
  3. Step 3: Cross multiply
    1,147,866.96x = 1,584,048.96 × 631,652.34
  4. Step 4: Simplify right side
    1,147,866.96x = 1,000,568,232,258.57
  5. Step 5: Solve for x
    x = 1,000,568,232,258.57/1,147,866.96
  6. Step 6: Final answer
    x = 871,676.13

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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.