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Finding the Fourth Proportional to 530,737.60, 796,106.40 and 341,780.80

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Solution

The fourth proportional to 530,737.60, 796,106.40 and 341,780.80 is: 512,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,737.60 : 796,106.40 = 341,780.80 : x
  2. Step 2: Convert to fraction form
    530,737.60/796,106.40 = 341,780.80/x
  3. Step 3: Cross multiply
    530,737.60x = 796,106.40 × 341,780.80
  4. Step 4: Simplify right side
    530,737.60x = 272,093,882,277.12
  5. Step 5: Solve for x
    x = 272,093,882,277.12/530,737.60
  6. Step 6: Final answer
    x = 512,671.20

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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.