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Finding the Fourth Proportional to 342,496.16, 472,666.56 and 191,594.24

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Solution

The fourth proportional to 342,496.16, 472,666.56 and 191,594.24 is: 264,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,496.16 : 472,666.56 = 191,594.24 : x
  2. Step 2: Convert to fraction form
    342,496.16/472,666.56 = 191,594.24/x
  3. Step 3: Cross multiply
    342,496.16x = 472,666.56 × 191,594.24
  4. Step 4: Simplify right side
    342,496.16x = 90,560,190,336.61
  5. Step 5: Solve for x
    x = 90,560,190,336.61/342,496.16
  6. Step 6: Final answer
    x = 264,412.28

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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.