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Finding the Fourth Proportional to 437,261.54, 603,571.93 and 256,031.73

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Solution

The fourth proportional to 437,261.54, 603,571.93 and 256,031.73 is: 353,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,261.54 : 603,571.93 = 256,031.73 : x
  2. Step 2: Convert to fraction form
    437,261.54/603,571.93 = 256,031.73/x
  3. Step 3: Cross multiply
    437,261.54x = 603,571.93 × 256,031.73
  4. Step 4: Simplify right side
    437,261.54x = 154,533,564,777.26
  5. Step 5: Solve for x
    x = 154,533,564,777.26/437,261.54
  6. Step 6: Final answer
    x = 353,412.21

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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.