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Finding the Fourth Proportional to 655,113.33, 904,046.81 and 368,610.93

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Solution

The fourth proportional to 655,113.33, 904,046.81 and 368,610.93 is: 508,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,113.33 : 904,046.81 = 368,610.93 : x
  2. Step 2: Convert to fraction form
    655,113.33/904,046.81 = 368,610.93/x
  3. Step 3: Cross multiply
    655,113.33x = 904,046.81 × 368,610.93
  4. Step 4: Simplify right side
    655,113.33x = 333,241,533,554.58
  5. Step 5: Solve for x
    x = 333,241,533,554.58/655,113.33
  6. Step 6: Final answer
    x = 508,677.69

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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.