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Finding the Fourth Proportional to 334,670.17, 502,004.78 and 98,012.84

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Solution

The fourth proportional to 334,670.17, 502,004.78 and 98,012.84 is: 147,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,670.17 : 502,004.78 = 98,012.84 : x
  2. Step 2: Convert to fraction form
    334,670.17/502,004.78 = 98,012.84/x
  3. Step 3: Cross multiply
    334,670.17x = 502,004.78 × 98,012.84
  4. Step 4: Simplify right side
    334,670.17x = 49,202,914,181.38
  5. Step 5: Solve for x
    x = 49,202,914,181.38/334,670.17
  6. Step 6: Final answer
    x = 147,019.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.