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Finding the Fourth Proportional to 343,012.40, 514,518.60 and 93,694.40

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Solution

The fourth proportional to 343,012.40, 514,518.60 and 93,694.40 is: 140,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,012.40 : 514,518.60 = 93,694.40 : x
  2. Step 2: Convert to fraction form
    343,012.40/514,518.60 = 93,694.40/x
  3. Step 3: Cross multiply
    343,012.40x = 514,518.60 × 93,694.40
  4. Step 4: Simplify right side
    343,012.40x = 48,207,511,515.84
  5. Step 5: Solve for x
    x = 48,207,511,515.84/343,012.40
  6. Step 6: Final answer
    x = 140,541.60

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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.