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Finding the Fourth Proportional to 295,645,807.26, 407,993,855.04 and 163,495,698.30

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Solution

The fourth proportional to 295,645,807.26, 407,993,855.04 and 163,495,698.30 is: 225,625,524.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,645,807.26 : 407,993,855.04 = 163,495,698.30 : x
  2. Step 2: Convert to fraction form
    295,645,807.26/407,993,855.04 = 163,495,698.30/x
  3. Step 3: Cross multiply
    295,645,807.26x = 407,993,855.04 × 163,495,698.30
  4. Step 4: Simplify right side
    295,645,807.26x = 66,705,240,231,873,784
  5. Step 5: Solve for x
    x = 66,705,240,231,873,784/295,645,807.26
  6. Step 6: Final answer
    x = 225,625,524.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.