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Finding the Fourth Proportional to 655,359.44, 904,395.76 and 368,881.04

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Solution

The fourth proportional to 655,359.44, 904,395.76 and 368,881.04 is: 509,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,359.44 : 904,395.76 = 368,881.04 : x
  2. Step 2: Convert to fraction form
    655,359.44/904,395.76 = 368,881.04/x
  3. Step 3: Cross multiply
    655,359.44x = 904,395.76 × 368,881.04
  4. Step 4: Simplify right side
    655,359.44x = 333,614,448,520.39
  5. Step 5: Solve for x
    x = 333,614,448,520.39/655,359.44
  6. Step 6: Final answer
    x = 509,055.68

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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.