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Finding the Fourth Proportional to 375,046.74, 517,560.55 and 202,960.98

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Solution

The fourth proportional to 375,046.74, 517,560.55 and 202,960.98 is: 280,084.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,046.74 : 517,560.55 = 202,960.98 : x
  2. Step 2: Convert to fraction form
    375,046.74/517,560.55 = 202,960.98/x
  3. Step 3: Cross multiply
    375,046.74x = 517,560.55 × 202,960.98
  4. Step 4: Simplify right side
    375,046.74x = 105,044,596,437.34
  5. Step 5: Solve for x
    x = 105,044,596,437.34/375,046.74
  6. Step 6: Final answer
    x = 280,084.01

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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.