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Finding the Fourth Proportional to 971,566.85, 1,455,017.48 and 784,942.85

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Solution

The fourth proportional to 971,566.85, 1,455,017.48 and 784,942.85 is: 1,175,529.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,566.85 : 1,455,017.48 = 784,942.85 : x
  2. Step 2: Convert to fraction form
    971,566.85/1,455,017.48 = 784,942.85/x
  3. Step 3: Cross multiply
    971,566.85x = 1,455,017.48 × 784,942.85
  4. Step 4: Simplify right side
    971,566.85x = 1,142,105,563,626.30
  5. Step 5: Solve for x
    x = 1,142,105,563,626.30/971,566.85
  6. Step 6: Final answer
    x = 1,175,529.57

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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.