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Finding the Fourth Proportional to 655,152.10, 904,109.47 and 368,672.44

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Solution

The fourth proportional to 655,152.10, 904,109.47 and 368,672.44 is: 508,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,152.10 : 904,109.47 = 368,672.44 : x
  2. Step 2: Convert to fraction form
    655,152.10/904,109.47 = 368,672.44/x
  3. Step 3: Cross multiply
    655,152.10x = 904,109.47 × 368,672.44
  4. Step 4: Simplify right side
    655,152.10x = 333,320,244,332.01
  5. Step 5: Solve for x
    x = 333,320,244,332.01/655,152.10
  6. Step 6: Final answer
    x = 508,767.73

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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.