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Finding the Fourth Proportional to 344,998.20, 517,497.30 and 108,364.80

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Solution

The fourth proportional to 344,998.20, 517,497.30 and 108,364.80 is: 162,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,998.20 : 517,497.30 = 108,364.80 : x
  2. Step 2: Convert to fraction form
    344,998.20/517,497.30 = 108,364.80/x
  3. Step 3: Cross multiply
    344,998.20x = 517,497.30 × 108,364.80
  4. Step 4: Simplify right side
    344,998.20x = 56,078,491,415.04
  5. Step 5: Solve for x
    x = 56,078,491,415.04/344,998.20
  6. Step 6: Final answer
    x = 162,547.20

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1.5x scale

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.