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Finding the Fourth Proportional to 372,802.95, 514,480.95 and 211,652.64

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Solution

The fourth proportional to 372,802.95, 514,480.95 and 211,652.64 is: 292,087.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,802.95 : 514,480.95 = 211,652.64 : x
  2. Step 2: Convert to fraction form
    372,802.95/514,480.95 = 211,652.64/x
  3. Step 3: Cross multiply
    372,802.95x = 514,480.95 × 211,652.64
  4. Step 4: Simplify right side
    372,802.95x = 108,891,251,297.21
  5. Step 5: Solve for x
    x = 108,891,251,297.21/372,802.95
  6. Step 6: Final answer
    x = 292,087.96

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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.