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Finding the Fourth Proportional to 562,217.60, 775,866.41 and 307,563.32

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Solution

The fourth proportional to 562,217.60, 775,866.41 and 307,563.32 is: 424,440.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,217.60 : 775,866.41 = 307,563.32 : x
  2. Step 2: Convert to fraction form
    562,217.60/775,866.41 = 307,563.32/x
  3. Step 3: Cross multiply
    562,217.60x = 775,866.41 × 307,563.32
  4. Step 4: Simplify right side
    562,217.60x = 238,628,048,936.08
  5. Step 5: Solve for x
    x = 238,628,048,936.08/562,217.60
  6. Step 6: Final answer
    x = 424,440.73

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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.