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Finding the Fourth Proportional to 454,284.70, 626,904.43 and 250,354.51

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Solution

The fourth proportional to 454,284.70, 626,904.43 and 250,354.51 is: 345,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,284.70 : 626,904.43 = 250,354.51 : x
  2. Step 2: Convert to fraction form
    454,284.70/626,904.43 = 250,354.51/x
  3. Step 3: Cross multiply
    454,284.70x = 626,904.43 × 250,354.51
  4. Step 4: Simplify right side
    454,284.70x = 156,948,351,389.48
  5. Step 5: Solve for x
    x = 156,948,351,389.48/454,284.70
  6. Step 6: Final answer
    x = 345,484.56

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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.