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Finding the Fourth Proportional to 375,197.02, 517,767.94 and 203,111.12

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Solution

The fourth proportional to 375,197.02, 517,767.94 and 203,111.12 is: 280,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,197.02 : 517,767.94 = 203,111.12 : x
  2. Step 2: Convert to fraction form
    375,197.02/517,767.94 = 203,111.12/x
  3. Step 3: Cross multiply
    375,197.02x = 517,767.94 × 203,111.12
  4. Step 4: Simplify right side
    375,197.02x = 105,164,426,193.49
  5. Step 5: Solve for x
    x = 105,164,426,193.49/375,197.02
  6. Step 6: Final answer
    x = 280,291.21

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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.