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Finding the Fourth Proportional to 245,322.40, 367,983.60 and 170,672.80

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Solution

The fourth proportional to 245,322.40, 367,983.60 and 170,672.80 is: 256,009.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,322.40 : 367,983.60 = 170,672.80 : x
  2. Step 2: Convert to fraction form
    245,322.40/367,983.60 = 170,672.80/x
  3. Step 3: Cross multiply
    245,322.40x = 367,983.60 × 170,672.80
  4. Step 4: Simplify right side
    245,322.40x = 62,804,791,366.08
  5. Step 5: Solve for x
    x = 62,804,791,366.08/245,322.40
  6. Step 6: Final answer
    x = 256,009.20

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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.