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Finding the Fourth Proportional to 331,878,501.10, 463,554,947.30 and 331,878,501.10

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Solution

The fourth proportional to 331,878,501.10, 463,554,947.30 and 331,878,501.10 is: 463,554,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,878,501.10 : 463,554,947.30 = 331,878,501.10 : x
  2. Step 2: Convert to fraction form
    331,878,501.10/463,554,947.30 = 331,878,501.10/x
  3. Step 3: Cross multiply
    331,878,501.10x = 463,554,947.30 × 331,878,501.10
  4. Step 4: Simplify right side
    331,878,501.10x = 153,843,921,087,413,504
  5. Step 5: Solve for x
    x = 153,843,921,087,413,504/331,878,501.10
  6. Step 6: Final answer
    x = 463,554,947.30

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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.