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Finding the Fourth Proportional to 450,459.73, 621,634.44 and 246,510.64

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Solution

The fourth proportional to 450,459.73, 621,634.44 and 246,510.64 is: 340,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,459.73 : 621,634.44 = 246,510.64 : x
  2. Step 2: Convert to fraction form
    450,459.73/621,634.44 = 246,510.64/x
  3. Step 3: Cross multiply
    450,459.73x = 621,634.44 × 246,510.64
  4. Step 4: Simplify right side
    450,459.73x = 153,239,503,650.44
  5. Step 5: Solve for x
    x = 153,239,503,650.44/450,459.73
  6. Step 6: Final answer
    x = 340,184.69

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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.