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Finding the Fourth Proportional to 433,537.49, 649,010.59 and 262,240.80

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Solution

The fourth proportional to 433,537.49, 649,010.59 and 262,240.80 is: 392,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,537.49 : 649,010.59 = 262,240.80 : x
  2. Step 2: Convert to fraction form
    433,537.49/649,010.59 = 262,240.80/x
  3. Step 3: Cross multiply
    433,537.49x = 649,010.59 × 262,240.80
  4. Step 4: Simplify right side
    433,537.49x = 170,197,055,605.94
  5. Step 5: Solve for x
    x = 170,197,055,605.94/433,537.49
  6. Step 6: Final answer
    x = 392,577.48

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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.