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Finding the Fourth Proportional to 1,834,392.40, 2,751,977.40 and 554,894.80

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Solution

The fourth proportional to 1,834,392.40, 2,751,977.40 and 554,894.80 is: 832,459.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,834,392.40 : 2,751,977.40 = 554,894.80 : x
  2. Step 2: Convert to fraction form
    1,834,392.40/2,751,977.40 = 554,894.80/x
  3. Step 3: Cross multiply
    1,834,392.40x = 2,751,977.40 × 554,894.80
  4. Step 4: Simplify right side
    1,834,392.40x = 1,527,057,948,977.52
  5. Step 5: Solve for x
    x = 1,527,057,948,977.52/1,834,392.40
  6. Step 6: Final answer
    x = 832,459.81

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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.