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Finding the Fourth Proportional to 375,009.60, 517,514.61 and 202,927.55

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Solution

The fourth proportional to 375,009.60, 517,514.61 and 202,927.55 is: 280,040.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,009.60 : 517,514.61 = 202,927.55 : x
  2. Step 2: Convert to fraction form
    375,009.60/517,514.61 = 202,927.55/x
  3. Step 3: Cross multiply
    375,009.60x = 517,514.61 × 202,927.55
  4. Step 4: Simplify right side
    375,009.60x = 105,017,971,896.51
  5. Step 5: Solve for x
    x = 105,017,971,896.51/375,009.60
  6. Step 6: Final answer
    x = 280,040.76

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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.