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Finding the Fourth Proportional to 342,354.16, 472,470.60 and 191,452.24

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Solution

The fourth proportional to 342,354.16, 472,470.60 and 191,452.24 is: 264,216.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,354.16 : 472,470.60 = 191,452.24 : x
  2. Step 2: Convert to fraction form
    342,354.16/472,470.60 = 191,452.24/x
  3. Step 3: Cross multiply
    342,354.16x = 472,470.60 × 191,452.24
  4. Step 4: Simplify right side
    342,354.16x = 90,455,554,704.14
  5. Step 5: Solve for x
    x = 90,455,554,704.14/342,354.16
  6. Step 6: Final answer
    x = 264,216.32

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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.