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Finding the Fourth Proportional to 293,602.80, 440,404.20 and 199,124.40

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Solution

The fourth proportional to 293,602.80, 440,404.20 and 199,124.40 is: 298,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,602.80 : 440,404.20 = 199,124.40 : x
  2. Step 2: Convert to fraction form
    293,602.80/440,404.20 = 199,124.40/x
  3. Step 3: Cross multiply
    293,602.80x = 440,404.20 × 199,124.40
  4. Step 4: Simplify right side
    293,602.80x = 87,695,222,082.48
  5. Step 5: Solve for x
    x = 87,695,222,082.48/293,602.80
  6. Step 6: Final answer
    x = 298,686.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.