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Finding the Fourth Proportional to 375,030.32, 517,539.96 and 202,948.16

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Solution

The fourth proportional to 375,030.32, 517,539.96 and 202,948.16 is: 280,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,030.32 : 517,539.96 = 202,948.16 : x
  2. Step 2: Convert to fraction form
    375,030.32/517,539.96 = 202,948.16/x
  3. Step 3: Cross multiply
    375,030.32x = 517,539.96 × 202,948.16
  4. Step 4: Simplify right side
    375,030.32x = 105,033,782,608.47
  5. Step 5: Solve for x
    x = 105,033,782,608.47/375,030.32
  6. Step 6: Final answer
    x = 280,067.44

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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.