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Finding the Fourth Proportional to 371,231.80, 556,847.70 and 134,582.20

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Solution

The fourth proportional to 371,231.80, 556,847.70 and 134,582.20 is: 201,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,231.80 : 556,847.70 = 134,582.20 : x
  2. Step 2: Convert to fraction form
    371,231.80/556,847.70 = 134,582.20/x
  3. Step 3: Cross multiply
    371,231.80x = 556,847.70 × 134,582.20
  4. Step 4: Simplify right side
    371,231.80x = 74,941,788,530.94
  5. Step 5: Solve for x
    x = 74,941,788,530.94/371,231.80
  6. Step 6: Final answer
    x = 201,873.30

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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.