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Finding the Fourth Proportional to 562,734.93, 776,617.33 and 321,022.83

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Solution

The fourth proportional to 562,734.93, 776,617.33 and 321,022.83 is: 443,036.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,734.93 : 776,617.33 = 321,022.83 : x
  2. Step 2: Convert to fraction form
    562,734.93/776,617.33 = 321,022.83/x
  3. Step 3: Cross multiply
    562,734.93x = 776,617.33 × 321,022.83
  4. Step 4: Simplify right side
    562,734.93x = 249,311,893,103.64
  5. Step 5: Solve for x
    x = 249,311,893,103.64/562,734.93
  6. Step 6: Final answer
    x = 443,036.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.