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Finding the Fourth Proportional to 368,655.91, 552,983.63 and 210,773.66

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Solution

The fourth proportional to 368,655.91, 552,983.63 and 210,773.66 is: 316,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,655.91 : 552,983.63 = 210,773.66 : x
  2. Step 2: Convert to fraction form
    368,655.91/552,983.63 = 210,773.66/x
  3. Step 3: Cross multiply
    368,655.91x = 552,983.63 × 210,773.66
  4. Step 4: Simplify right side
    368,655.91x = 116,554,382,561.32
  5. Step 5: Solve for x
    x = 116,554,382,561.32/368,655.91
  6. Step 6: Final answer
    x = 316,160.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.