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Finding the Fourth Proportional to 698,573.70, 1,047,860.55 and 698,573.70

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Solution

The fourth proportional to 698,573.70, 1,047,860.55 and 698,573.70 is: 1,047,860.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,573.70 : 1,047,860.55 = 698,573.70 : x
  2. Step 2: Convert to fraction form
    698,573.70/1,047,860.55 = 698,573.70/x
  3. Step 3: Cross multiply
    698,573.70x = 1,047,860.55 × 698,573.70
  4. Step 4: Simplify right side
    698,573.70x = 732,007,821,497.54
  5. Step 5: Solve for x
    x = 732,007,821,497.54/698,573.70
  6. Step 6: Final answer
    x = 1,047,860.55

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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.