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Finding the Fourth Proportional to 368,024.72, 508,259.60 and 253,600.88

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Solution

The fourth proportional to 368,024.72, 508,259.60 and 253,600.88 is: 350,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,024.72 : 508,259.60 = 253,600.88 : x
  2. Step 2: Convert to fraction form
    368,024.72/508,259.60 = 253,600.88/x
  3. Step 3: Cross multiply
    368,024.72x = 508,259.60 × 253,600.88
  4. Step 4: Simplify right side
    368,024.72x = 128,895,081,828.45
  5. Step 5: Solve for x
    x = 128,895,081,828.45/368,024.72
  6. Step 6: Final answer
    x = 350,234.85

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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.