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Finding the Fourth Proportional to 966,907.30, 1,355,069.90 and 966,907.30

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Solution

The fourth proportional to 966,907.30, 1,355,069.90 and 966,907.30 is: 1,355,069.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,907.30 : 1,355,069.90 = 966,907.30 : x
  2. Step 2: Convert to fraction form
    966,907.30/1,355,069.90 = 966,907.30/x
  3. Step 3: Cross multiply
    966,907.30x = 1,355,069.90 × 966,907.30
  4. Step 4: Simplify right side
    966,907.30x = 1,310,226,978,320.27
  5. Step 5: Solve for x
    x = 1,310,226,978,320.27/966,907.30
  6. Step 6: Final answer
    x = 1,355,069.90

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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.