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Finding the Fourth Proportional to 655,453.08, 904,541.99 and 368,983.22

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Solution

The fourth proportional to 655,453.08, 904,541.99 and 368,983.22 is: 509,206.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,453.08 : 904,541.99 = 368,983.22 : x
  2. Step 2: Convert to fraction form
    655,453.08/904,541.99 = 368,983.22/x
  3. Step 3: Cross multiply
    655,453.08x = 904,541.99 × 368,983.22
  4. Step 4: Simplify right side
    655,453.08x = 333,760,809,727.78
  5. Step 5: Solve for x
    x = 333,760,809,727.78/655,453.08
  6. Step 6: Final answer
    x = 509,206.26

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1.5x scale

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.