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Finding the Fourth Proportional to 373,549.06, 515,496.98 and 203,783.16

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Solution

The fourth proportional to 373,549.06, 515,496.98 and 203,783.16 is: 281,220.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,549.06 : 515,496.98 = 203,783.16 : x
  2. Step 2: Convert to fraction form
    373,549.06/515,496.98 = 203,783.16/x
  3. Step 3: Cross multiply
    373,549.06x = 515,496.98 × 203,783.16
  4. Step 4: Simplify right side
    373,549.06x = 105,049,603,554.86
  5. Step 5: Solve for x
    x = 105,049,603,554.86/373,549.06
  6. Step 6: Final answer
    x = 281,220.37

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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.