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Finding the Fourth Proportional to 496,573.50, 685,271.43 and 270,220.62

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Solution

The fourth proportional to 496,573.50, 685,271.43 and 270,220.62 is: 372,904.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,573.50 : 685,271.43 = 270,220.62 : x
  2. Step 2: Convert to fraction form
    496,573.50/685,271.43 = 270,220.62/x
  3. Step 3: Cross multiply
    496,573.50x = 685,271.43 × 270,220.62
  4. Step 4: Simplify right side
    496,573.50x = 185,174,470,682.89
  5. Step 5: Solve for x
    x = 185,174,470,682.89/496,573.50
  6. Step 6: Final answer
    x = 372,904.46

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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.