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Finding the Fourth Proportional to 343,400.45, 473,893.95 and 190,452.83

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Solution

The fourth proportional to 343,400.45, 473,893.95 and 190,452.83 is: 262,825.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,400.45 : 473,893.95 = 190,452.83 : x
  2. Step 2: Convert to fraction form
    343,400.45/473,893.95 = 190,452.83/x
  3. Step 3: Cross multiply
    343,400.45x = 473,893.95 × 190,452.83
  4. Step 4: Simplify right side
    343,400.45x = 90,254,441,527.91
  5. Step 5: Solve for x
    x = 90,254,441,527.91/343,400.45
  6. Step 6: Final answer
    x = 262,825.64

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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.