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Finding the Fourth Proportional to 654,999.84, 903,851.10 and 368,464.68

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Solution

The fourth proportional to 654,999.84, 903,851.10 and 368,464.68 is: 508,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,999.84 : 903,851.10 = 368,464.68 : x
  2. Step 2: Convert to fraction form
    654,999.84/903,851.10 = 368,464.68/x
  3. Step 3: Cross multiply
    654,999.84x = 903,851.10 × 368,464.68
  4. Step 4: Simplify right side
    654,999.84x = 333,037,206,329.15
  5. Step 5: Solve for x
    x = 333,037,206,329.15/654,999.84
  6. Step 6: Final answer
    x = 508,453.87

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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.