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Finding the Fourth Proportional to 450,401.58, 621,544.59 and 246,451.68

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Solution

The fourth proportional to 450,401.58, 621,544.59 and 246,451.68 is: 340,098.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,401.58 : 621,544.59 = 246,451.68 : x
  2. Step 2: Convert to fraction form
    450,401.58/621,544.59 = 246,451.68/x
  3. Step 3: Cross multiply
    450,401.58x = 621,544.59 × 246,451.68
  4. Step 4: Simplify right side
    450,401.58x = 153,180,708,400.41
  5. Step 5: Solve for x
    x = 153,180,708,400.41/450,401.58
  6. Step 6: Final answer
    x = 340,098.07

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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.