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Finding the Fourth Proportional to 245,625.20, 368,437.80 and 170,975.60

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Solution

The fourth proportional to 245,625.20, 368,437.80 and 170,975.60 is: 256,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,625.20 : 368,437.80 = 170,975.60 : x
  2. Step 2: Convert to fraction form
    245,625.20/368,437.80 = 170,975.60/x
  3. Step 3: Cross multiply
    245,625.20x = 368,437.80 × 170,975.60
  4. Step 4: Simplify right side
    245,625.20x = 62,993,873,917.68
  5. Step 5: Solve for x
    x = 62,993,873,917.68/245,625.20
  6. Step 6: Final answer
    x = 256,463.40

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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.