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Finding the Fourth Proportional to 449,068,477.20, 673,602,715.80 and 449,068,477.20

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Solution

The fourth proportional to 449,068,477.20, 673,602,715.80 and 449,068,477.20 is: 673,602,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,068,477.20 : 673,602,715.80 = 449,068,477.20 : x
  2. Step 2: Convert to fraction form
    449,068,477.20/673,602,715.80 = 449,068,477.20/x
  3. Step 3: Cross multiply
    449,068,477.20x = 673,602,715.80 × 449,068,477.20
  4. Step 4: Simplify right side
    449,068,477.20x = 302,493,745,822,090,368
  5. Step 5: Solve for x
    x = 302,493,745,822,090,368/449,068,477.20
  6. Step 6: Final answer
    x = 673,602,715.80

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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.