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Finding the Fourth Proportional to 1,868,731.83, 2,802,631.19 and 606,920.31

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Solution

The fourth proportional to 1,868,731.83, 2,802,631.19 and 606,920.31 is: 910,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,731.83 : 2,802,631.19 = 606,920.31 : x
  2. Step 2: Convert to fraction form
    1,868,731.83/2,802,631.19 = 606,920.31/x
  3. Step 3: Cross multiply
    1,868,731.83x = 2,802,631.19 × 606,920.31
  4. Step 4: Simplify right side
    1,868,731.83x = 1,700,973,787,615.87
  5. Step 5: Solve for x
    x = 1,700,973,787,615.87/1,868,731.83
  6. Step 6: Final answer
    x = 910,228.94

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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.