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Finding the Fourth Proportional to 583,340.60, 874,323.08 and 263,117.64

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Solution

The fourth proportional to 583,340.60, 874,323.08 and 263,117.64 is: 394,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,340.60 : 874,323.08 = 263,117.64 : x
  2. Step 2: Convert to fraction form
    583,340.60/874,323.08 = 263,117.64/x
  3. Step 3: Cross multiply
    583,340.60x = 874,323.08 × 263,117.64
  4. Step 4: Simplify right side
    583,340.60x = 230,049,825,407.13
  5. Step 5: Solve for x
    x = 230,049,825,407.13/583,340.60
  6. Step 6: Final answer
    x = 394,366.22

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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.