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Finding the Fourth Proportional to 449,069,920.40, 673,604,880.60 and 449,069,920.40

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Solution

The fourth proportional to 449,069,920.40, 673,604,880.60 and 449,069,920.40 is: 673,604,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,069,920.40 : 673,604,880.60 = 449,069,920.40 : x
  2. Step 2: Convert to fraction form
    449,069,920.40/673,604,880.60 = 449,069,920.40/x
  3. Step 3: Cross multiply
    449,069,920.40x = 673,604,880.60 × 449,069,920.40
  4. Step 4: Simplify right side
    449,069,920.40x = 302,495,690,112,093,504
  5. Step 5: Solve for x
    x = 302,495,690,112,093,504/449,069,920.40
  6. Step 6: Final answer
    x = 673,604,880.60

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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.