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Finding the Fourth Proportional to 342,695.13, 472,919.22 and 191,792.13

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Solution

The fourth proportional to 342,695.13, 472,919.22 and 191,792.13 is: 264,673.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,695.13 : 472,919.22 = 191,792.13 : x
  2. Step 2: Convert to fraction form
    342,695.13/472,919.22 = 191,792.13/x
  3. Step 3: Cross multiply
    342,695.13x = 472,919.22 × 191,792.13
  4. Step 4: Simplify right side
    342,695.13x = 90,702,184,521.74
  5. Step 5: Solve for x
    x = 90,702,184,521.74/342,695.13
  6. Step 6: Final answer
    x = 264,673.11

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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.