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Finding the Fourth Proportional to 372,515.67, 514,071.54 and 202,751.01

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Solution

The fourth proportional to 372,515.67, 514,071.54 and 202,751.01 is: 279,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,515.67 : 514,071.54 = 202,751.01 : x
  2. Step 2: Convert to fraction form
    372,515.67/514,071.54 = 202,751.01/x
  3. Step 3: Cross multiply
    372,515.67x = 514,071.54 × 202,751.01
  4. Step 4: Simplify right side
    372,515.67x = 104,228,523,947.26
  5. Step 5: Solve for x
    x = 104,228,523,947.26/372,515.67
  6. Step 6: Final answer
    x = 279,796.35

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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.