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Finding the Fourth Proportional to 562,210.85, 775,857.09 and 307,556.57

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Solution

The fourth proportional to 562,210.85, 775,857.09 and 307,556.57 is: 424,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,210.85 : 775,857.09 = 307,556.57 : x
  2. Step 2: Convert to fraction form
    562,210.85/775,857.09 = 307,556.57/x
  3. Step 3: Cross multiply
    562,210.85x = 775,857.09 × 307,556.57
  4. Step 4: Simplify right side
    562,210.85x = 238,619,945,410.58
  5. Step 5: Solve for x
    x = 238,619,945,410.58/562,210.85
  6. Step 6: Final answer
    x = 424,431.41

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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.