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Finding the Fourth Proportional to 655,215.04, 904,047.16 and 368,630.56

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Solution

The fourth proportional to 655,215.04, 904,047.16 and 368,630.56 is: 508,626.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,215.04 : 904,047.16 = 368,630.56 : x
  2. Step 2: Convert to fraction form
    655,215.04/904,047.16 = 368,630.56/x
  3. Step 3: Cross multiply
    655,215.04x = 904,047.16 × 368,630.56
  4. Step 4: Simplify right side
    655,215.04x = 333,259,404,493.82
  5. Step 5: Solve for x
    x = 333,259,404,493.82/655,215.04
  6. Step 6: Final answer
    x = 508,626.00

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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.