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Finding the Fourth Proportional to 357,902.60, 536,460.24 and 147,425.72

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Solution

The fourth proportional to 357,902.60, 536,460.24 and 147,425.72 is: 220,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,902.60 : 536,460.24 = 147,425.72 : x
  2. Step 2: Convert to fraction form
    357,902.60/536,460.24 = 147,425.72/x
  3. Step 3: Cross multiply
    357,902.60x = 536,460.24 × 147,425.72
  4. Step 4: Simplify right side
    357,902.60x = 79,088,037,133.37
  5. Step 5: Solve for x
    x = 79,088,037,133.37/357,902.60
  6. Step 6: Final answer
    x = 220,976.43

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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.