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Finding the Fourth Proportional to 452,830.89, 624,913.10 and 248,900.67

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Solution

The fourth proportional to 452,830.89, 624,913.10 and 248,900.67 is: 343,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,830.89 : 624,913.10 = 248,900.67 : x
  2. Step 2: Convert to fraction form
    452,830.89/624,913.10 = 248,900.67/x
  3. Step 3: Cross multiply
    452,830.89x = 624,913.10 × 248,900.67
  4. Step 4: Simplify right side
    452,830.89x = 155,541,289,281.78
  5. Step 5: Solve for x
    x = 155,541,289,281.78/452,830.89
  6. Step 6: Final answer
    x = 343,486.48

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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.