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Finding the Fourth Proportional to 414,860.86, 572,519.51 and 253,712.98

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Solution

The fourth proportional to 414,860.86, 572,519.51 and 253,712.98 is: 350,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,860.86 : 572,519.51 = 253,712.98 : x
  2. Step 2: Convert to fraction form
    414,860.86/572,519.51 = 253,712.98/x
  3. Step 3: Cross multiply
    414,860.86x = 572,519.51 × 253,712.98
  4. Step 4: Simplify right side
    414,860.86x = 145,255,630,990.24
  5. Step 5: Solve for x
    x = 145,255,630,990.24/414,860.86
  6. Step 6: Final answer
    x = 350,130.96

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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.