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Finding the Fourth Proportional to 534,957.21, 802,558.80 and 175,139.64

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Solution

The fourth proportional to 534,957.21, 802,558.80 and 175,139.64 is: 262,749.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,957.21 : 802,558.80 = 175,139.64 : x
  2. Step 2: Convert to fraction form
    534,957.21/802,558.80 = 175,139.64/x
  3. Step 3: Cross multiply
    534,957.21x = 802,558.80 × 175,139.64
  4. Step 4: Simplify right side
    534,957.21x = 140,559,859,310.83
  5. Step 5: Solve for x
    x = 140,559,859,310.83/534,957.21
  6. Step 6: Final answer
    x = 262,749.72

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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.