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Finding the Fourth Proportional to 612,832.53, 919,061.85 and 492,604.26

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Solution

The fourth proportional to 612,832.53, 919,061.85 and 492,604.26 is: 738,756.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,832.53 : 919,061.85 = 492,604.26 : x
  2. Step 2: Convert to fraction form
    612,832.53/919,061.85 = 492,604.26/x
  3. Step 3: Cross multiply
    612,832.53x = 919,061.85 × 492,604.26
  4. Step 4: Simplify right side
    612,832.53x = 452,733,782,513.48
  5. Step 5: Solve for x
    x = 452,733,782,513.48/612,832.53
  6. Step 6: Final answer
    x = 738,756.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.