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Finding the Fourth Proportional to 636,656,202.96, 954,984,242.88 and 176,594,392.32

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Solution

The fourth proportional to 636,656,202.96, 954,984,242.88 and 176,594,392.32 is: 264,891,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,656,202.96 : 954,984,242.88 = 176,594,392.32 : x
  2. Step 2: Convert to fraction form
    636,656,202.96/954,984,242.88 = 176,594,392.32/x
  3. Step 3: Cross multiply
    636,656,202.96x = 954,984,242.88 × 176,594,392.32
  4. Step 4: Simplify right side
    636,656,202.96x = 168,644,862,046,568,864
  5. Step 5: Solve for x
    x = 168,644,862,046,568,864/636,656,202.96
  6. Step 6: Final answer
    x = 264,891,571.40

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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.