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Finding the Fourth Proportional to 502,060.98, 692,844.12 and 272,617.14

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Solution

The fourth proportional to 502,060.98, 692,844.12 and 272,617.14 is: 376,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,060.98 : 692,844.12 = 272,617.14 : x
  2. Step 2: Convert to fraction form
    502,060.98/692,844.12 = 272,617.14/x
  3. Step 3: Cross multiply
    502,060.98x = 692,844.12 × 272,617.14
  4. Step 4: Simplify right side
    502,060.98x = 188,881,182,460.22
  5. Step 5: Solve for x
    x = 188,881,182,460.22/502,060.98
  6. Step 6: Final answer
    x = 376,211.64

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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.