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Finding the Fourth Proportional to 281,763.70, 388,873.78 and 174,368.33

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Solution

The fourth proportional to 281,763.70, 388,873.78 and 174,368.33 is: 240,652.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,763.70 : 388,873.78 = 174,368.33 : x
  2. Step 2: Convert to fraction form
    281,763.70/388,873.78 = 174,368.33/x
  3. Step 3: Cross multiply
    281,763.70x = 388,873.78 × 174,368.33
  4. Step 4: Simplify right side
    281,763.70x = 67,807,270,677.37
  5. Step 5: Solve for x
    x = 67,807,270,677.37/281,763.70
  6. Step 6: Final answer
    x = 240,652.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.