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Finding the Fourth Proportional to 334,883.70, 502,390.35 and 98,234.10

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Solution

The fourth proportional to 334,883.70, 502,390.35 and 98,234.10 is: 147,370.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,883.70 : 502,390.35 = 98,234.10 : x
  2. Step 2: Convert to fraction form
    334,883.70/502,390.35 = 98,234.10/x
  3. Step 3: Cross multiply
    334,883.70x = 502,390.35 × 98,234.10
  4. Step 4: Simplify right side
    334,883.70x = 49,351,863,880.94
  5. Step 5: Solve for x
    x = 49,351,863,880.94/334,883.70
  6. Step 6: Final answer
    x = 147,370.16

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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.