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Finding the Fourth Proportional to 341,648,540.40, 512,472,810.60 and 338,463,490.80

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Solution

The fourth proportional to 341,648,540.40, 512,472,810.60 and 338,463,490.80 is: 507,695,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,648,540.40 : 512,472,810.60 = 338,463,490.80 : x
  2. Step 2: Convert to fraction form
    341,648,540.40/512,472,810.60 = 338,463,490.80/x
  3. Step 3: Cross multiply
    341,648,540.40x = 512,472,810.60 × 338,463,490.80
  4. Step 4: Simplify right side
    341,648,540.40x = 173,453,336,415,763,264
  5. Step 5: Solve for x
    x = 173,453,336,415,763,264/341,648,540.40
  6. Step 6: Final answer
    x = 507,695,236.20

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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.