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Finding the Fourth Proportional to 448,483,500.45, 626,346,350.55 and 448,483,500.45

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Solution

The fourth proportional to 448,483,500.45, 626,346,350.55 and 448,483,500.45 is: 626,346,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,483,500.45 : 626,346,350.55 = 448,483,500.45 : x
  2. Step 2: Convert to fraction form
    448,483,500.45/626,346,350.55 = 448,483,500.45/x
  3. Step 3: Cross multiply
    448,483,500.45x = 626,346,350.55 × 448,483,500.45
  4. Step 4: Simplify right side
    448,483,500.45x = 280,906,003,788,746,752
  5. Step 5: Solve for x
    x = 280,906,003,788,746,752/448,483,500.45
  6. Step 6: Final answer
    x = 626,346,350.55

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.