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Finding the Fourth Proportional to 624,671.76, 937,025.73 and 198,209.46

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Solution

The fourth proportional to 624,671.76, 937,025.73 and 198,209.46 is: 297,319.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,671.76 : 937,025.73 = 198,209.46 : x
  2. Step 2: Convert to fraction form
    624,671.76/937,025.73 = 198,209.46/x
  3. Step 3: Cross multiply
    624,671.76x = 937,025.73 × 198,209.46
  4. Step 4: Simplify right side
    624,671.76x = 185,727,363,949.41
  5. Step 5: Solve for x
    x = 185,727,363,949.41/624,671.76
  6. Step 6: Final answer
    x = 297,319.93

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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.