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Finding the Fourth Proportional to 371,527.16, 512,391.66 and 250,649.24

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Solution

The fourth proportional to 371,527.16, 512,391.66 and 250,649.24 is: 345,682.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,527.16 : 512,391.66 = 250,649.24 : x
  2. Step 2: Convert to fraction form
    371,527.16/512,391.66 = 250,649.24/x
  3. Step 3: Cross multiply
    371,527.16x = 512,391.66 × 250,649.24
  4. Step 4: Simplify right side
    371,527.16x = 128,430,580,161.34
  5. Step 5: Solve for x
    x = 128,430,580,161.34/371,527.16
  6. Step 6: Final answer
    x = 345,682.88

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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.