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Finding the Fourth Proportional to 443,917.08, 665,100.54 and 369,515.52

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Solution

The fourth proportional to 443,917.08, 665,100.54 and 369,515.52 is: 553,628.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,917.08 : 665,100.54 = 369,515.52 : x
  2. Step 2: Convert to fraction form
    443,917.08/665,100.54 = 369,515.52/x
  3. Step 3: Cross multiply
    443,917.08x = 665,100.54 × 369,515.52
  4. Step 4: Simplify right side
    443,917.08x = 245,764,971,890.38
  5. Step 5: Solve for x
    x = 245,764,971,890.38/443,917.08
  6. Step 6: Final answer
    x = 553,628.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.