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Finding the Fourth Proportional to 454,069.13, 626,675.54 and 293,391.45

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Solution

The fourth proportional to 454,069.13, 626,675.54 and 293,391.45 is: 404,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,069.13 : 626,675.54 = 293,391.45 : x
  2. Step 2: Convert to fraction form
    454,069.13/626,675.54 = 293,391.45/x
  3. Step 3: Cross multiply
    454,069.13x = 626,675.54 × 293,391.45
  4. Step 4: Simplify right side
    454,069.13x = 183,861,243,893.18
  5. Step 5: Solve for x
    x = 183,861,243,893.18/454,069.13
  6. Step 6: Final answer
    x = 404,919.06

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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.