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Finding the Fourth Proportional to 1,643,130, 2,465,006.04 and 756,666

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Solution

The fourth proportional to 1,643,130, 2,465,006.04 and 756,666 is: 1,135,142.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,130 : 2,465,006.04 = 756,666 : x
  2. Step 2: Convert to fraction form
    1,643,130/2,465,006.04 = 756,666/x
  3. Step 3: Cross multiply
    1,643,130x = 2,465,006.04 × 756,666
  4. Step 4: Simplify right side
    1,643,130x = 1,865,186,260,262.64
  5. Step 5: Solve for x
    x = 1,865,186,260,262.64/1,643,130
  6. Step 6: Final answer
    x = 1,135,142.23

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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.