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Finding the Fourth Proportional to 655,258.53, 904,285.86 and 368,797.17

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Solution

The fourth proportional to 655,258.53, 904,285.86 and 368,797.17 is: 508,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,258.53 : 904,285.86 = 368,797.17 : x
  2. Step 2: Convert to fraction form
    655,258.53/904,285.86 = 368,797.17/x
  3. Step 3: Cross multiply
    655,258.53x = 904,285.86 × 368,797.17
  4. Step 4: Simplify right side
    655,258.53x = 333,498,066,039.02
  5. Step 5: Solve for x
    x = 333,498,066,039.02/655,258.53
  6. Step 6: Final answer
    x = 508,956.47

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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.