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Finding the Fourth Proportional to 692,452.28, 956,015.96 and 447,565.02

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Solution

The fourth proportional to 692,452.28, 956,015.96 and 447,565.02 is: 617,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,452.28 : 956,015.96 = 447,565.02 : x
  2. Step 2: Convert to fraction form
    692,452.28/956,015.96 = 447,565.02/x
  3. Step 3: Cross multiply
    692,452.28x = 956,015.96 × 447,565.02
  4. Step 4: Simplify right side
    692,452.28x = 427,879,300,019.89
  5. Step 5: Solve for x
    x = 427,879,300,019.89/692,452.28
  6. Step 6: Final answer
    x = 617,918.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.