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Finding the Fourth Proportional to 583,628.80, 874,762.80 and 268,117.60

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Solution

The fourth proportional to 583,628.80, 874,762.80 and 268,117.60 is: 401,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,628.80 : 874,762.80 = 268,117.60 : x
  2. Step 2: Convert to fraction form
    583,628.80/874,762.80 = 268,117.60/x
  3. Step 3: Cross multiply
    583,628.80x = 874,762.80 × 268,117.60
  4. Step 4: Simplify right side
    583,628.80x = 234,539,302,505.28
  5. Step 5: Solve for x
    x = 234,539,302,505.28/583,628.80
  6. Step 6: Final answer
    x = 401,863.83

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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.