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Finding the Fourth Proportional to 501,713.78, 692,366.84 and 272,271.02

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Solution

The fourth proportional to 501,713.78, 692,366.84 and 272,271.02 is: 375,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,713.78 : 692,366.84 = 272,271.02 : x
  2. Step 2: Convert to fraction form
    501,713.78/692,366.84 = 272,271.02/x
  3. Step 3: Cross multiply
    501,713.78x = 692,366.84 × 272,271.02
  4. Step 4: Simplify right side
    501,713.78x = 188,511,426,110.54
  5. Step 5: Solve for x
    x = 188,511,426,110.54/501,713.78
  6. Step 6: Final answer
    x = 375,735.00

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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.