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Finding the Fourth Proportional to 441,646.01, 662,106.97 and 157,174.57

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Solution

The fourth proportional to 441,646.01, 662,106.97 and 157,174.57 is: 235,633.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,646.01 : 662,106.97 = 157,174.57 : x
  2. Step 2: Convert to fraction form
    441,646.01/662,106.97 = 157,174.57/x
  3. Step 3: Cross multiply
    441,646.01x = 662,106.97 × 157,174.57
  4. Step 4: Simplify right side
    441,646.01x = 104,066,378,443.75
  5. Step 5: Solve for x
    x = 104,066,378,443.75/441,646.01
  6. Step 6: Final answer
    x = 235,633.01

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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.