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Finding the Fourth Proportional to 435,477.88, 653,048.88 and 169,203.34

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Solution

The fourth proportional to 435,477.88, 653,048.88 and 169,203.34 is: 253,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,477.88 : 653,048.88 = 169,203.34 : x
  2. Step 2: Convert to fraction form
    435,477.88/653,048.88 = 169,203.34/x
  3. Step 3: Cross multiply
    435,477.88x = 653,048.88 × 169,203.34
  4. Step 4: Simplify right side
    435,477.88x = 110,498,051,679.26
  5. Step 5: Solve for x
    x = 110,498,051,679.26/435,477.88
  6. Step 6: Final answer
    x = 253,739.76

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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.