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Finding the Fourth Proportional to 344,843.10, 517,339.10 and 104,975.76

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Solution

The fourth proportional to 344,843.10, 517,339.10 and 104,975.76 is: 157,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,843.10 : 517,339.10 = 104,975.76 : x
  2. Step 2: Convert to fraction form
    344,843.10/517,339.10 = 104,975.76/x
  3. Step 3: Cross multiply
    344,843.10x = 517,339.10 × 104,975.76
  4. Step 4: Simplify right side
    344,843.10x = 54,308,065,200.22
  5. Step 5: Solve for x
    x = 54,308,065,200.22/344,843.10
  6. Step 6: Final answer
    x = 157,486.30

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Double scale
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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.