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Finding the Fourth Proportional to 435,004.55, 652,295.86 and 255,148.74

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Solution

The fourth proportional to 435,004.55, 652,295.86 and 255,148.74 is: 382,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,004.55 : 652,295.86 = 255,148.74 : x
  2. Step 2: Convert to fraction form
    435,004.55/652,295.86 = 255,148.74/x
  3. Step 3: Cross multiply
    435,004.55x = 652,295.86 × 255,148.74
  4. Step 4: Simplify right side
    435,004.55x = 166,432,466,786.22
  5. Step 5: Solve for x
    x = 166,432,466,786.22/435,004.55
  6. Step 6: Final answer
    x = 382,599.37

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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.