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Finding the Fourth Proportional to 454,017.80, 681,026.70 and 336,211.40

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Solution

The fourth proportional to 454,017.80, 681,026.70 and 336,211.40 is: 504,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,017.80 : 681,026.70 = 336,211.40 : x
  2. Step 2: Convert to fraction form
    454,017.80/681,026.70 = 336,211.40/x
  3. Step 3: Cross multiply
    454,017.80x = 681,026.70 × 336,211.40
  4. Step 4: Simplify right side
    454,017.80x = 228,968,940,244.38
  5. Step 5: Solve for x
    x = 228,968,940,244.38/454,017.80
  6. Step 6: Final answer
    x = 504,317.10

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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.