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Finding the Fourth Proportional to 197,389.60, 295,220.40 and 176,480.80

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Solution

The fourth proportional to 197,389.60, 295,220.40 and 176,480.80 is: 263,948.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,389.60 : 295,220.40 = 176,480.80 : x
  2. Step 2: Convert to fraction form
    197,389.60/295,220.40 = 176,480.80/x
  3. Step 3: Cross multiply
    197,389.60x = 295,220.40 × 176,480.80
  4. Step 4: Simplify right side
    197,389.60x = 52,100,732,368.32
  5. Step 5: Solve for x
    x = 52,100,732,368.32/197,389.60
  6. Step 6: Final answer
    x = 263,948.72

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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.