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Finding the Fourth Proportional to 197,399.60, 295,235.40 and 176,490.80

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Solution

The fourth proportional to 197,399.60, 295,235.40 and 176,490.80 is: 263,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,399.60 : 295,235.40 = 176,490.80 : x
  2. Step 2: Convert to fraction form
    197,399.60/295,235.40 = 176,490.80/x
  3. Step 3: Cross multiply
    197,399.60x = 295,235.40 × 176,490.80
  4. Step 4: Simplify right side
    197,399.60x = 52,106,331,934.32
  5. Step 5: Solve for x
    x = 52,106,331,934.32/197,399.60
  6. Step 6: Final answer
    x = 263,963.72

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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.