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Finding the Fourth Proportional to 655,261.61, 904,111.41 and 368,677.13

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Solution

The fourth proportional to 655,261.61, 904,111.41 and 368,677.13 is: 508,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,261.61 : 904,111.41 = 368,677.13 : x
  2. Step 2: Convert to fraction form
    655,261.61/904,111.41 = 368,677.13/x
  3. Step 3: Cross multiply
    655,261.61x = 904,111.41 × 368,677.13
  4. Step 4: Simplify right side
    655,261.61x = 333,325,195,318.50
  5. Step 5: Solve for x
    x = 333,325,195,318.50/655,261.61
  6. Step 6: Final answer
    x = 508,690.26

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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.