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Finding the Fourth Proportional to 644,671.67, 967,200.69 and 260,222.60

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Solution

The fourth proportional to 644,671.67, 967,200.69 and 260,222.60 is: 390,411.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,671.67 : 967,200.69 = 260,222.60 : x
  2. Step 2: Convert to fraction form
    644,671.67/967,200.69 = 260,222.60/x
  3. Step 3: Cross multiply
    644,671.67x = 967,200.69 × 260,222.60
  4. Step 4: Simplify right side
    644,671.67x = 251,687,478,273.59
  5. Step 5: Solve for x
    x = 251,687,478,273.59/644,671.67
  6. Step 6: Final answer
    x = 390,411.88

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1.5x scale

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.