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Finding the Fourth Proportional to 357,892.25, 536,444.70 and 147,415.37

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Solution

The fourth proportional to 357,892.25, 536,444.70 and 147,415.37 is: 220,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,892.25 : 536,444.70 = 147,415.37 : x
  2. Step 2: Convert to fraction form
    357,892.25/536,444.70 = 147,415.37/x
  3. Step 3: Cross multiply
    357,892.25x = 536,444.70 × 147,415.37
  4. Step 4: Simplify right side
    357,892.25x = 79,080,191,252.82
  5. Step 5: Solve for x
    x = 79,080,191,252.82/357,892.25
  6. Step 6: Final answer
    x = 220,960.90

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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.