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Finding the Fourth Proportional to 655,517.00, 904,630.38 and 369,047.34

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Solution

The fourth proportional to 655,517.00, 904,630.38 and 369,047.34 is: 509,294.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,517.00 : 904,630.38 = 369,047.34 : x
  2. Step 2: Convert to fraction form
    655,517.00/904,630.38 = 369,047.34/x
  3. Step 3: Cross multiply
    655,517.00x = 904,630.38 × 369,047.34
  4. Step 4: Simplify right side
    655,517.00x = 333,851,434,038.26
  5. Step 5: Solve for x
    x = 333,851,434,038.26/655,517.00
  6. Step 6: Final answer
    x = 509,294.85

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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.