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Finding the Fourth Proportional to 452,626.50, 624,624.90 and 248,690.52

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Solution

The fourth proportional to 452,626.50, 624,624.90 and 248,690.52 is: 343,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,626.50 : 624,624.90 = 248,690.52 : x
  2. Step 2: Convert to fraction form
    452,626.50/624,624.90 = 248,690.52/x
  3. Step 3: Cross multiply
    452,626.50x = 624,624.90 × 248,690.52
  4. Step 4: Simplify right side
    452,626.50x = 155,338,291,185.95
  5. Step 5: Solve for x
    x = 155,338,291,185.95/452,626.50
  6. Step 6: Final answer
    x = 343,193.10

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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.