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Finding the Fourth Proportional to 737,143.40, 1,105,277.70 and 382,849.40

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Solution

The fourth proportional to 737,143.40, 1,105,277.70 and 382,849.40 is: 574,046.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,143.40 : 1,105,277.70 = 382,849.40 : x
  2. Step 2: Convert to fraction form
    737,143.40/1,105,277.70 = 382,849.40/x
  3. Step 3: Cross multiply
    737,143.40x = 1,105,277.70 × 382,849.40
  4. Step 4: Simplify right side
    737,143.40x = 423,154,904,278.38
  5. Step 5: Solve for x
    x = 423,154,904,278.38/737,143.40
  6. Step 6: Final answer
    x = 574,046.93

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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.