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Finding the Fourth Proportional to 334,639.76, 502,034.52 and 113,018

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Solution

The fourth proportional to 334,639.76, 502,034.52 and 113,018 is: 169,552.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,639.76 : 502,034.52 = 113,018 : x
  2. Step 2: Convert to fraction form
    334,639.76/502,034.52 = 113,018/x
  3. Step 3: Cross multiply
    334,639.76x = 502,034.52 × 113,018
  4. Step 4: Simplify right side
    334,639.76x = 56,738,937,381.36
  5. Step 5: Solve for x
    x = 56,738,937,381.36/334,639.76
  6. Step 6: Final answer
    x = 169,552.29

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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.