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Finding the Fourth Proportional to 454,370.70, 627,005.98 and 250,421.00

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Solution

The fourth proportional to 454,370.70, 627,005.98 and 250,421.00 is: 345,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,370.70 : 627,005.98 = 250,421.00 : x
  2. Step 2: Convert to fraction form
    454,370.70/627,005.98 = 250,421.00/x
  3. Step 3: Cross multiply
    454,370.70x = 627,005.98 × 250,421.00
  4. Step 4: Simplify right side
    454,370.70x = 157,015,460,756.50
  5. Step 5: Solve for x
    x = 157,015,460,756.50/454,370.70
  6. Step 6: Final answer
    x = 345,566.87

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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.