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Finding the Fourth Proportional to 655,268.46, 904,299.60 and 368,807.10

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Solution

The fourth proportional to 655,268.46, 904,299.60 and 368,807.10 is: 508,970.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,268.46 : 904,299.60 = 368,807.10 : x
  2. Step 2: Convert to fraction form
    655,268.46/904,299.60 = 368,807.10/x
  3. Step 3: Cross multiply
    655,268.46x = 904,299.60 × 368,807.10
  4. Step 4: Simplify right side
    655,268.46x = 333,512,113,007.16
  5. Step 5: Solve for x
    x = 333,512,113,007.16/655,268.46
  6. Step 6: Final answer
    x = 508,970.19

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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.