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Finding the Fourth Proportional to 655,165.14, 904,124.94 and 368,690.04

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Solution

The fourth proportional to 655,165.14, 904,124.94 and 368,690.04 is: 508,790.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,165.14 : 904,124.94 = 368,690.04 : x
  2. Step 2: Convert to fraction form
    655,165.14/904,124.94 = 368,690.04/x
  3. Step 3: Cross multiply
    655,165.14x = 904,124.94 × 368,690.04
  4. Step 4: Simplify right side
    655,165.14x = 333,341,860,293.60
  5. Step 5: Solve for x
    x = 333,341,860,293.60/655,165.14
  6. Step 6: Final answer
    x = 508,790.59

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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.