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Finding the Fourth Proportional to 655,476.35, 904,643.60 and 369,052.25

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Solution

The fourth proportional to 655,476.35, 904,643.60 and 369,052.25 is: 509,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,476.35 : 904,643.60 = 369,052.25 : x
  2. Step 2: Convert to fraction form
    655,476.35/904,643.60 = 369,052.25/x
  3. Step 3: Cross multiply
    655,476.35x = 904,643.60 × 369,052.25
  4. Step 4: Simplify right side
    655,476.35x = 333,860,749,659.62
  5. Step 5: Solve for x
    x = 333,860,749,659.62/655,476.35
  6. Step 6: Final answer
    x = 509,340.65

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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.