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Finding the Fourth Proportional to 338,336.44, 507,504.44 and 315,916.28

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Solution

The fourth proportional to 338,336.44, 507,504.44 and 315,916.28 is: 473,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,336.44 : 507,504.44 = 315,916.28 : x
  2. Step 2: Convert to fraction form
    338,336.44/507,504.44 = 315,916.28/x
  3. Step 3: Cross multiply
    338,336.44x = 507,504.44 × 315,916.28
  4. Step 4: Simplify right side
    338,336.44x = 160,328,914,768.28
  5. Step 5: Solve for x
    x = 160,328,914,768.28/338,336.44
  6. Step 6: Final answer
    x = 473,874.21

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1.5x scale

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.