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Finding the Fourth Proportional to 971,503.60, 1,454,922.60 and 784,879.60

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Solution

The fourth proportional to 971,503.60, 1,454,922.60 and 784,879.60 is: 1,175,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,503.60 : 1,454,922.60 = 784,879.60 : x
  2. Step 2: Convert to fraction form
    971,503.60/1,454,922.60 = 784,879.60/x
  3. Step 3: Cross multiply
    971,503.60x = 1,454,922.60 × 784,879.60
  4. Step 4: Simplify right side
    971,503.60x = 1,141,939,068,318.96
  5. Step 5: Solve for x
    x = 1,141,939,068,318.96/971,503.60
  6. Step 6: Final answer
    x = 1,175,434.73

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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.