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Finding the Fourth Proportional to 541,065,662.75, 746,672,048.70 and 293,547,017

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Solution

The fourth proportional to 541,065,662.75, 746,672,048.70 and 293,547,017 is: 405,095,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,065,662.75 : 746,672,048.70 = 293,547,017 : x
  2. Step 2: Convert to fraction form
    541,065,662.75/746,672,048.70 = 293,547,017/x
  3. Step 3: Cross multiply
    541,065,662.75x = 746,672,048.70 × 293,547,017
  4. Step 4: Simplify right side
    541,065,662.75x = 219,183,352,573,163,744
  5. Step 5: Solve for x
    x = 219,183,352,573,163,744/541,065,662.75
  6. Step 6: Final answer
    x = 405,095,661.51

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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.