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Finding the Fourth Proportional to 281,736,004.70, 422,604,007.05 and 281,736,004.70

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Solution

The fourth proportional to 281,736,004.70, 422,604,007.05 and 281,736,004.70 is: 422,604,007.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,736,004.70 : 422,604,007.05 = 281,736,004.70 : x
  2. Step 2: Convert to fraction form
    281,736,004.70/422,604,007.05 = 281,736,004.70/x
  3. Step 3: Cross multiply
    281,736,004.70x = 422,604,007.05 × 281,736,004.70
  4. Step 4: Simplify right side
    281,736,004.70x = 119,062,764,516,477,632
  5. Step 5: Solve for x
    x = 119,062,764,516,477,632/281,736,004.70
  6. Step 6: Final answer
    x = 422,604,007.05

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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.