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Finding the Fourth Proportional to 368,025.72, 508,260.98 and 253,601.88

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Solution

The fourth proportional to 368,025.72, 508,260.98 and 253,601.88 is: 350,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,025.72 : 508,260.98 = 253,601.88 : x
  2. Step 2: Convert to fraction form
    368,025.72/508,260.98 = 253,601.88/x
  3. Step 3: Cross multiply
    368,025.72x = 508,260.98 × 253,601.88
  4. Step 4: Simplify right side
    368,025.72x = 128,895,940,058.64
  5. Step 5: Solve for x
    x = 128,895,940,058.64/368,025.72
  6. Step 6: Final answer
    x = 350,236.23

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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.