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Finding the Fourth Proportional to 372,693.96, 514,320.84 and 211,549.32

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Solution

The fourth proportional to 372,693.96, 514,320.84 and 211,549.32 is: 291,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,693.96 : 514,320.84 = 211,549.32 : x
  2. Step 2: Convert to fraction form
    372,693.96/514,320.84 = 211,549.32/x
  3. Step 3: Cross multiply
    372,693.96x = 514,320.84 × 211,549.32
  4. Step 4: Simplify right side
    372,693.96x = 108,804,223,963.83
  5. Step 5: Solve for x
    x = 108,804,223,963.83/372,693.96
  6. Step 6: Final answer
    x = 291,939.86

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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.