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Finding the Fourth Proportional to 245,323.80, 367,985.70 and 170,674.20

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Solution

The fourth proportional to 245,323.80, 367,985.70 and 170,674.20 is: 256,011.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,323.80 : 367,985.70 = 170,674.20 : x
  2. Step 2: Convert to fraction form
    245,323.80/367,985.70 = 170,674.20/x
  3. Step 3: Cross multiply
    245,323.80x = 367,985.70 × 170,674.20
  4. Step 4: Simplify right side
    245,323.80x = 62,805,664,958.94
  5. Step 5: Solve for x
    x = 62,805,664,958.94/245,323.80
  6. Step 6: Final answer
    x = 256,011.30

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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.