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Finding the Fourth Proportional to 389,353.30, 583,572.06 and 175,872.04

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Solution

The fourth proportional to 389,353.30, 583,572.06 and 175,872.04 is: 263,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,353.30 : 583,572.06 = 175,872.04 : x
  2. Step 2: Convert to fraction form
    389,353.30/583,572.06 = 175,872.04/x
  3. Step 3: Cross multiply
    389,353.30x = 583,572.06 × 175,872.04
  4. Step 4: Simplify right side
    389,353.30x = 102,634,008,679.20
  5. Step 5: Solve for x
    x = 102,634,008,679.20/389,353.30
  6. Step 6: Final answer
    x = 263,601.23

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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.