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Finding the Fourth Proportional to 372,698.03, 514,331.75 and 211,538.00

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Solution

The fourth proportional to 372,698.03, 514,331.75 and 211,538.00 is: 291,927.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,698.03 : 514,331.75 = 211,538.00 : x
  2. Step 2: Convert to fraction form
    372,698.03/514,331.75 = 211,538.00/x
  3. Step 3: Cross multiply
    372,698.03x = 514,331.75 × 211,538.00
  4. Step 4: Simplify right side
    372,698.03x = 108,800,709,959.64
  5. Step 5: Solve for x
    x = 108,800,709,959.64/372,698.03
  6. Step 6: Final answer
    x = 291,927.25

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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.