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Finding the Fourth Proportional to 373,501.08, 515,433.06 and 203,738.76

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Solution

The fourth proportional to 373,501.08, 515,433.06 and 203,738.76 is: 281,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,501.08 : 515,433.06 = 203,738.76 : x
  2. Step 2: Convert to fraction form
    373,501.08/515,433.06 = 203,738.76/x
  3. Step 3: Cross multiply
    373,501.08x = 515,433.06 × 203,738.76
  4. Step 4: Simplify right side
    373,501.08x = 105,013,692,507.41
  5. Step 5: Solve for x
    x = 105,013,692,507.41/373,501.08
  6. Step 6: Final answer
    x = 281,160.34

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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.