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Finding the Fourth Proportional to 365,813.94, 551,462.77 and 341,428.89

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Solution

The fourth proportional to 365,813.94, 551,462.77 and 341,428.89 is: 514,702.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,813.94 : 551,462.77 = 341,428.89 : x
  2. Step 2: Convert to fraction form
    365,813.94/551,462.77 = 341,428.89/x
  3. Step 3: Cross multiply
    365,813.94x = 551,462.77 × 341,428.89
  4. Step 4: Simplify right side
    365,813.94x = 188,285,321,437.43
  5. Step 5: Solve for x
    x = 188,285,321,437.43/365,813.94
  6. Step 6: Final answer
    x = 514,702.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.