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Finding the Fourth Proportional to 342,920.32, 473,237.64 and 195,742.17

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Solution

The fourth proportional to 342,920.32, 473,237.64 and 195,742.17 is: 270,128.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,920.32 : 473,237.64 = 195,742.17 : x
  2. Step 2: Convert to fraction form
    342,920.32/473,237.64 = 195,742.17/x
  3. Step 3: Cross multiply
    342,920.32x = 473,237.64 × 195,742.17
  4. Step 4: Simplify right side
    342,920.32x = 92,632,562,579.28
  5. Step 5: Solve for x
    x = 92,632,562,579.28/342,920.32
  6. Step 6: Final answer
    x = 270,128.53

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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.