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Finding the Fourth Proportional to 342,891, 473,080.23 and 222,124.86

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Solution

The fourth proportional to 342,891, 473,080.23 and 222,124.86 is: 306,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,891 : 473,080.23 = 222,124.86 : x
  2. Step 2: Convert to fraction form
    342,891/473,080.23 = 222,124.86/x
  3. Step 3: Cross multiply
    342,891x = 473,080.23 × 222,124.86
  4. Step 4: Simplify right side
    342,891x = 105,082,879,857.52
  5. Step 5: Solve for x
    x = 105,082,879,857.52/342,891
  6. Step 6: Final answer
    x = 306,461.47

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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.