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Finding the Fourth Proportional to 655,224.17, 904,207.50 and 368,744.25

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Solution

The fourth proportional to 655,224.17, 904,207.50 and 368,744.25 is: 508,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,224.17 : 904,207.50 = 368,744.25 : x
  2. Step 2: Convert to fraction form
    655,224.17/904,207.50 = 368,744.25/x
  3. Step 3: Cross multiply
    655,224.17x = 904,207.50 × 368,744.25
  4. Step 4: Simplify right side
    655,224.17x = 333,421,316,431.88
  5. Step 5: Solve for x
    x = 333,421,316,431.88/655,224.17
  6. Step 6: Final answer
    x = 508,866.02

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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.