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Finding the Fourth Proportional to 629,441.60, 946,005.60 and 548,340.80

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Solution

The fourth proportional to 629,441.60, 946,005.60 and 548,340.80 is: 824,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,441.60 : 946,005.60 = 548,340.80 : x
  2. Step 2: Convert to fraction form
    629,441.60/946,005.60 = 548,340.80/x
  3. Step 3: Cross multiply
    629,441.60x = 946,005.60 × 548,340.80
  4. Step 4: Simplify right side
    629,441.60x = 518,733,467,508.48
  5. Step 5: Solve for x
    x = 518,733,467,508.48/629,441.60
  6. Step 6: Final answer
    x = 824,116.91

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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.