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Finding the Fourth Proportional to 450,508.94, 621,694.04 and 246,555.80

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Solution

The fourth proportional to 450,508.94, 621,694.04 and 246,555.80 is: 340,242.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,508.94 : 621,694.04 = 246,555.80 : x
  2. Step 2: Convert to fraction form
    450,508.94/621,694.04 = 246,555.80/x
  3. Step 3: Cross multiply
    450,508.94x = 621,694.04 × 246,555.80
  4. Step 4: Simplify right side
    450,508.94x = 153,282,271,387.43
  5. Step 5: Solve for x
    x = 153,282,271,387.43/450,508.94
  6. Step 6: Final answer
    x = 340,242.46

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1.5x scale

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.