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Finding the Fourth Proportional to 654,955.95, 903,774.87 and 368,469.89

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Solution

The fourth proportional to 654,955.95, 903,774.87 and 368,469.89 is: 508,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,955.95 : 903,774.87 = 368,469.89 : x
  2. Step 2: Convert to fraction form
    654,955.95/903,774.87 = 368,469.89/x
  3. Step 3: Cross multiply
    654,955.95x = 903,774.87 × 368,469.89
  4. Step 4: Simplify right side
    654,955.95x = 333,013,822,414.79
  5. Step 5: Solve for x
    x = 333,013,822,414.79/654,955.95
  6. Step 6: Final answer
    x = 508,452.24

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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.