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Finding the Fourth Proportional to 299,552,148.90, 449,328,223.35 and 299,552,148.90

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Solution

The fourth proportional to 299,552,148.90, 449,328,223.35 and 299,552,148.90 is: 449,328,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,552,148.90 : 449,328,223.35 = 299,552,148.90 : x
  2. Step 2: Convert to fraction form
    299,552,148.90/449,328,223.35 = 299,552,148.90/x
  3. Step 3: Cross multiply
    299,552,148.90x = 449,328,223.35 × 299,552,148.90
  4. Step 4: Simplify right side
    299,552,148.90x = 134,597,234,865,911,648
  5. Step 5: Solve for x
    x = 134,597,234,865,911,648/299,552,148.90
  6. Step 6: Final answer
    x = 449,328,223.35

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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.