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Finding the Fourth Proportional to 367,699.70, 550,966.35 and 242,894.90

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Solution

The fourth proportional to 367,699.70, 550,966.35 and 242,894.90 is: 363,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,699.70 : 550,966.35 = 242,894.90 : x
  2. Step 2: Convert to fraction form
    367,699.70/550,966.35 = 242,894.90/x
  3. Step 3: Cross multiply
    367,699.70x = 550,966.35 × 242,894.90
  4. Step 4: Simplify right side
    367,699.70x = 133,826,916,486.62
  5. Step 5: Solve for x
    x = 133,826,916,486.62/367,699.70
  6. Step 6: Final answer
    x = 363,957.10

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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.