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Finding the Fourth Proportional to 353,692.92, 530,534.52 and 154,009.08

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Solution

The fourth proportional to 353,692.92, 530,534.52 and 154,009.08 is: 231,011.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,692.92 : 530,534.52 = 154,009.08 : x
  2. Step 2: Convert to fraction form
    353,692.92/530,534.52 = 154,009.08/x
  3. Step 3: Cross multiply
    353,692.92x = 530,534.52 × 154,009.08
  4. Step 4: Simplify right side
    353,692.92x = 81,707,133,333.44
  5. Step 5: Solve for x
    x = 81,707,133,333.44/353,692.92
  6. Step 6: Final answer
    x = 231,011.50

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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.