Home / 370,842.20-556,263.30-202,297.40

Finding the Fourth Proportional to 370,842.20, 556,263.30 and 202,297.40

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Solution

The fourth proportional to 370,842.20, 556,263.30 and 202,297.40 is: 303,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,842.20 : 556,263.30 = 202,297.40 : x
  2. Step 2: Convert to fraction form
    370,842.20/556,263.30 = 202,297.40/x
  3. Step 3: Cross multiply
    370,842.20x = 556,263.30 × 202,297.40
  4. Step 4: Simplify right side
    370,842.20x = 112,530,619,305.42
  5. Step 5: Solve for x
    x = 112,530,619,305.42/370,842.20
  6. Step 6: Final answer
    x = 303,446.10

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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.