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Finding the Fourth Proportional to 443,820.87, 612,442.04 and 250,235.50

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Solution

The fourth proportional to 443,820.87, 612,442.04 and 250,235.50 is: 345,307.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,820.87 : 612,442.04 = 250,235.50 : x
  2. Step 2: Convert to fraction form
    443,820.87/612,442.04 = 250,235.50/x
  3. Step 3: Cross multiply
    443,820.87x = 612,442.04 × 250,235.50
  4. Step 4: Simplify right side
    443,820.87x = 153,254,740,892.75
  5. Step 5: Solve for x
    x = 153,254,740,892.75/443,820.87
  6. Step 6: Final answer
    x = 345,307.65

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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.