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Finding the Fourth Proportional to 374,573.08, 517,051.42 and 245,519.87

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Solution

The fourth proportional to 374,573.08, 517,051.42 and 245,519.87 is: 338,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,573.08 : 517,051.42 = 245,519.87 : x
  2. Step 2: Convert to fraction form
    374,573.08/517,051.42 = 245,519.87/x
  3. Step 3: Cross multiply
    374,573.08x = 517,051.42 × 245,519.87
  4. Step 4: Simplify right side
    374,573.08x = 126,946,397,421.72
  5. Step 5: Solve for x
    x = 126,946,397,421.72/374,573.08
  6. Step 6: Final answer
    x = 338,909.56

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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.