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Finding the Fourth Proportional to 647,432.37, 893,222.37 and 375,350.49

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Solution

The fourth proportional to 647,432.37, 893,222.37 and 375,350.49 is: 517,847.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,432.37 : 893,222.37 = 375,350.49 : x
  2. Step 2: Convert to fraction form
    647,432.37/893,222.37 = 375,350.49/x
  3. Step 3: Cross multiply
    647,432.37x = 893,222.37 × 375,350.49
  4. Step 4: Simplify right side
    647,432.37x = 335,271,454,258.46
  5. Step 5: Solve for x
    x = 335,271,454,258.46/647,432.37
  6. Step 6: Final answer
    x = 517,847.84

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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.