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Finding the Fourth Proportional to 452,247.42, 624,102.53 and 248,311.50

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Solution

The fourth proportional to 452,247.42, 624,102.53 and 248,311.50 is: 342,670.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,247.42 : 624,102.53 = 248,311.50 : x
  2. Step 2: Convert to fraction form
    452,247.42/624,102.53 = 248,311.50/x
  3. Step 3: Cross multiply
    452,247.42x = 624,102.53 × 248,311.50
  4. Step 4: Simplify right side
    452,247.42x = 154,971,835,378.10
  5. Step 5: Solve for x
    x = 154,971,835,378.10/452,247.42
  6. Step 6: Final answer
    x = 342,670.47

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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.