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Finding the Fourth Proportional to 699,702.20, 1,047,998.10 and 699,702.20

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Solution

The fourth proportional to 699,702.20, 1,047,998.10 and 699,702.20 is: 1,047,998.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,702.20 : 1,047,998.10 = 699,702.20 : x
  2. Step 2: Convert to fraction form
    699,702.20/1,047,998.10 = 699,702.20/x
  3. Step 3: Cross multiply
    699,702.20x = 1,047,998.10 × 699,702.20
  4. Step 4: Simplify right side
    699,702.20x = 733,286,576,165.82
  5. Step 5: Solve for x
    x = 733,286,576,165.82/699,702.20
  6. Step 6: Final answer
    x = 1,047,998.10

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1.5x scale

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.