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Finding the Fourth Proportional to 375,117.02, 517,651.36 and 213,968.69

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Solution

The fourth proportional to 375,117.02, 517,651.36 and 213,968.69 is: 295,271.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,117.02 : 517,651.36 = 213,968.69 : x
  2. Step 2: Convert to fraction form
    375,117.02/517,651.36 = 213,968.69/x
  3. Step 3: Cross multiply
    375,117.02x = 517,651.36 × 213,968.69
  4. Step 4: Simplify right side
    375,117.02x = 110,761,182,193.93
  5. Step 5: Solve for x
    x = 110,761,182,193.93/375,117.02
  6. Step 6: Final answer
    x = 295,271.01

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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.