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Finding the Fourth Proportional to 655,148.44, 904,031.58 and 368,767

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Solution

The fourth proportional to 655,148.44, 904,031.58 and 368,767 is: 508,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,148.44 : 904,031.58 = 368,767 : x
  2. Step 2: Convert to fraction form
    655,148.44/904,031.58 = 368,767/x
  3. Step 3: Cross multiply
    655,148.44x = 904,031.58 × 368,767
  4. Step 4: Simplify right side
    655,148.44x = 333,377,013,661.86
  5. Step 5: Solve for x
    x = 333,377,013,661.86/655,148.44
  6. Step 6: Final answer
    x = 508,857.22

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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.