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Finding the Fourth Proportional to 369,053.80, 553,232.40 and 200,325.40

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Solution

The fourth proportional to 369,053.80, 553,232.40 and 200,325.40 is: 300,299.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,053.80 : 553,232.40 = 200,325.40 : x
  2. Step 2: Convert to fraction form
    369,053.80/553,232.40 = 200,325.40/x
  3. Step 3: Cross multiply
    369,053.80x = 553,232.40 × 200,325.40
  4. Step 4: Simplify right side
    369,053.80x = 110,826,501,822.96
  5. Step 5: Solve for x
    x = 110,826,501,822.96/369,053.80
  6. Step 6: Final answer
    x = 300,299.04

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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.