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Finding the Fourth Proportional to 562,205.35, 775,861.74 and 307,556.54

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Solution

The fourth proportional to 562,205.35, 775,861.74 and 307,556.54 is: 424,438.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,205.35 : 775,861.74 = 307,556.54 : x
  2. Step 2: Convert to fraction form
    562,205.35/775,861.74 = 307,556.54/x
  3. Step 3: Cross multiply
    562,205.35x = 775,861.74 × 307,556.54
  4. Step 4: Simplify right side
    562,205.35x = 238,621,351,302.95
  5. Step 5: Solve for x
    x = 238,621,351,302.95/562,205.35
  6. Step 6: Final answer
    x = 424,438.06

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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.