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Finding the Fourth Proportional to 562,628.56, 776,358.66 and 448,198.60

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Solution

The fourth proportional to 562,628.56, 776,358.66 and 448,198.60 is: 618,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,628.56 : 776,358.66 = 448,198.60 : x
  2. Step 2: Convert to fraction form
    562,628.56/776,358.66 = 448,198.60/x
  3. Step 3: Cross multiply
    562,628.56x = 776,358.66 × 448,198.60
  4. Step 4: Simplify right side
    562,628.56x = 347,962,864,509.88
  5. Step 5: Solve for x
    x = 347,962,864,509.88/562,628.56
  6. Step 6: Final answer
    x = 618,459.30

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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.