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Finding the Fourth Proportional to 448,416,683.70, 672,625,025.55 and 448,416,683.70

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Solution

The fourth proportional to 448,416,683.70, 672,625,025.55 and 448,416,683.70 is: 672,625,025.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,416,683.70 : 672,625,025.55 = 448,416,683.70 : x
  2. Step 2: Convert to fraction form
    448,416,683.70/672,625,025.55 = 448,416,683.70/x
  3. Step 3: Cross multiply
    448,416,683.70x = 672,625,025.55 × 448,416,683.70
  4. Step 4: Simplify right side
    448,416,683.70x = 301,616,283,330,758,720
  5. Step 5: Solve for x
    x = 301,616,283,330,758,720/448,416,683.70
  6. Step 6: Final answer
    x = 672,625,025.55

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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.