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Finding the Fourth Proportional to 368,022.72, 508,256.84 and 253,598.88

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Solution

The fourth proportional to 368,022.72, 508,256.84 and 253,598.88 is: 350,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,022.72 : 508,256.84 = 253,598.88 : x
  2. Step 2: Convert to fraction form
    368,022.72/508,256.84 = 253,598.88/x
  3. Step 3: Cross multiply
    368,022.72x = 508,256.84 × 253,598.88
  4. Step 4: Simplify right side
    368,022.72x = 128,893,365,376.34
  5. Step 5: Solve for x
    x = 128,893,365,376.34/368,022.72
  6. Step 6: Final answer
    x = 350,232.09

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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.