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Finding the Fourth Proportional to 245,322.80, 367,984.20 and 170,673.20

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Solution

The fourth proportional to 245,322.80, 367,984.20 and 170,673.20 is: 256,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,322.80 : 367,984.20 = 170,673.20 : x
  2. Step 2: Convert to fraction form
    245,322.80/367,984.20 = 170,673.20/x
  3. Step 3: Cross multiply
    245,322.80x = 367,984.20 × 170,673.20
  4. Step 4: Simplify right side
    245,322.80x = 62,805,040,963.44
  5. Step 5: Solve for x
    x = 62,805,040,963.44/245,322.80
  6. Step 6: Final answer
    x = 256,009.80

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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.