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Finding the Fourth Proportional to 435,195.18, 652,978.53 and 245,797.74

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Solution

The fourth proportional to 435,195.18, 652,978.53 and 245,797.74 is: 368,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,195.18 : 652,978.53 = 245,797.74 : x
  2. Step 2: Convert to fraction form
    435,195.18/652,978.53 = 245,797.74/x
  3. Step 3: Cross multiply
    435,195.18x = 652,978.53 × 245,797.74
  4. Step 4: Simplify right side
    435,195.18x = 160,500,646,942.52
  5. Step 5: Solve for x
    x = 160,500,646,942.52/435,195.18
  6. Step 6: Final answer
    x = 368,801.53

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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.