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Finding the Fourth Proportional to 270,105.40, 404,574.90 and 235,113.40

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Solution

The fourth proportional to 270,105.40, 404,574.90 and 235,113.40 is: 352,162.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,105.40 : 404,574.90 = 235,113.40 : x
  2. Step 2: Convert to fraction form
    270,105.40/404,574.90 = 235,113.40/x
  3. Step 3: Cross multiply
    270,105.40x = 404,574.90 × 235,113.40
  4. Step 4: Simplify right side
    270,105.40x = 95,120,980,293.66
  5. Step 5: Solve for x
    x = 95,120,980,293.66/270,105.40
  6. Step 6: Final answer
    x = 352,162.45

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1.5x scale

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.