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Finding the Fourth Proportional to 655,215.77, 904,048.14 and 368,631.29

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Solution

The fourth proportional to 655,215.77, 904,048.14 and 368,631.29 is: 508,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,215.77 : 904,048.14 = 368,631.29 : x
  2. Step 2: Convert to fraction form
    655,215.77/904,048.14 = 368,631.29/x
  3. Step 3: Cross multiply
    655,215.77x = 904,048.14 × 368,631.29
  4. Step 4: Simplify right side
    655,215.77x = 333,260,427,550.06
  5. Step 5: Solve for x
    x = 333,260,427,550.06/655,215.77
  6. Step 6: Final answer
    x = 508,627.00

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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.