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Finding the Fourth Proportional to 384,455.70, 576,683.55 and 384,455.70

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Solution

The fourth proportional to 384,455.70, 576,683.55 and 384,455.70 is: 576,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,455.70 : 576,683.55 = 384,455.70 : x
  2. Step 2: Convert to fraction form
    384,455.70/576,683.55 = 384,455.70/x
  3. Step 3: Cross multiply
    384,455.70x = 576,683.55 × 384,455.70
  4. Step 4: Simplify right side
    384,455.70x = 221,709,277,893.74
  5. Step 5: Solve for x
    x = 221,709,277,893.74/384,455.70
  6. Step 6: Final answer
    x = 576,683.55

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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.