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Finding the Fourth Proportional to 472,154.96, 707,639.78 and 371,919.29

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Solution

The fourth proportional to 472,154.96, 707,639.78 and 371,919.29 is: 557,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,154.96 : 707,639.78 = 371,919.29 : x
  2. Step 2: Convert to fraction form
    472,154.96/707,639.78 = 371,919.29/x
  3. Step 3: Cross multiply
    472,154.96x = 707,639.78 × 371,919.29
  4. Step 4: Simplify right side
    472,154.96x = 263,184,879,155.56
  5. Step 5: Solve for x
    x = 263,184,879,155.56/472,154.96
  6. Step 6: Final answer
    x = 557,412.08

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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.