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Finding the Fourth Proportional to 253,250.63, 379,875.74 and 101,516.27

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Solution

The fourth proportional to 253,250.63, 379,875.74 and 101,516.27 is: 152,274.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,250.63 : 379,875.74 = 101,516.27 : x
  2. Step 2: Convert to fraction form
    253,250.63/379,875.74 = 101,516.27/x
  3. Step 3: Cross multiply
    253,250.63x = 379,875.74 × 101,516.27
  4. Step 4: Simplify right side
    253,250.63x = 38,563,565,781.33
  5. Step 5: Solve for x
    x = 38,563,565,781.33/253,250.63
  6. Step 6: Final answer
    x = 152,274.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.