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Finding the Fourth Proportional to 375,053.65, 517,575.69 and 202,971.64

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Solution

The fourth proportional to 375,053.65, 517,575.69 and 202,971.64 is: 280,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,053.65 : 517,575.69 = 202,971.64 : x
  2. Step 2: Convert to fraction form
    375,053.65/517,575.69 = 202,971.64/x
  3. Step 3: Cross multiply
    375,053.65x = 517,575.69 × 202,971.64
  4. Step 4: Simplify right side
    375,053.65x = 105,053,187,755.63
  5. Step 5: Solve for x
    x = 105,053,187,755.63/375,053.65
  6. Step 6: Final answer
    x = 280,101.76

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1.5x scale

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.