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Finding the Fourth Proportional to 550,329.06, 825,356.88 and 310,548.24

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Solution

The fourth proportional to 550,329.06, 825,356.88 and 310,548.24 is: 465,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,329.06 : 825,356.88 = 310,548.24 : x
  2. Step 2: Convert to fraction form
    550,329.06/825,356.88 = 310,548.24/x
  3. Step 3: Cross multiply
    550,329.06x = 825,356.88 × 310,548.24
  4. Step 4: Simplify right side
    550,329.06x = 256,313,126,455.89
  5. Step 5: Solve for x
    x = 256,313,126,455.89/550,329.06
  6. Step 6: Final answer
    x = 465,745.22

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1.5x scale

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.