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Finding the Fourth Proportional to 609,858, 841,604.04 and 371,394

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Solution

The fourth proportional to 609,858, 841,604.04 and 371,394 is: 512,523.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,858 : 841,604.04 = 371,394 : x
  2. Step 2: Convert to fraction form
    609,858/841,604.04 = 371,394/x
  3. Step 3: Cross multiply
    609,858x = 841,604.04 × 371,394
  4. Step 4: Simplify right side
    609,858x = 312,566,690,831.76
  5. Step 5: Solve for x
    x = 312,566,690,831.76/609,858
  6. Step 6: Final answer
    x = 512,523.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.