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Finding the Fourth Proportional to 662,937.80, 994,550.70 and 242,213

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Solution

The fourth proportional to 662,937.80, 994,550.70 and 242,213 is: 363,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,937.80 : 994,550.70 = 242,213 : x
  2. Step 2: Convert to fraction form
    662,937.80/994,550.70 = 242,213/x
  3. Step 3: Cross multiply
    662,937.80x = 994,550.70 × 242,213
  4. Step 4: Simplify right side
    662,937.80x = 240,893,108,699.10
  5. Step 5: Solve for x
    x = 240,893,108,699.10/662,937.80
  6. Step 6: Final answer
    x = 363,372.11

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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.