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Finding the Fourth Proportional to 967,506.80, 1,355,909.20 and 967,506.80

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Solution

The fourth proportional to 967,506.80, 1,355,909.20 and 967,506.80 is: 1,355,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,506.80 : 1,355,909.20 = 967,506.80 : x
  2. Step 2: Convert to fraction form
    967,506.80/1,355,909.20 = 967,506.80/x
  3. Step 3: Cross multiply
    967,506.80x = 1,355,909.20 × 967,506.80
  4. Step 4: Simplify right side
    967,506.80x = 1,311,851,371,182.56
  5. Step 5: Solve for x
    x = 1,311,851,371,182.56/967,506.80
  6. Step 6: Final answer
    x = 1,355,909.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.