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Finding the Fourth Proportional to 331,878,503.10, 463,554,950.10 and 331,878,503.10

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Solution

The fourth proportional to 331,878,503.10, 463,554,950.10 and 331,878,503.10 is: 463,554,950.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,878,503.10 : 463,554,950.10 = 331,878,503.10 : x
  2. Step 2: Convert to fraction form
    331,878,503.10/463,554,950.10 = 331,878,503.10/x
  3. Step 3: Cross multiply
    331,878,503.10x = 463,554,950.10 × 331,878,503.10
  4. Step 4: Simplify right side
    331,878,503.10x = 153,843,922,943,783,200
  5. Step 5: Solve for x
    x = 153,843,922,943,783,200/331,878,503.10
  6. Step 6: Final answer
    x = 463,554,950.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.