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Finding the Fourth Proportional to 529,256.28, 730,418.14 and 299,886.49

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Solution

The fourth proportional to 529,256.28, 730,418.14 and 299,886.49 is: 413,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,256.28 : 730,418.14 = 299,886.49 : x
  2. Step 2: Convert to fraction form
    529,256.28/730,418.14 = 299,886.49/x
  3. Step 3: Cross multiply
    529,256.28x = 730,418.14 × 299,886.49
  4. Step 4: Simplify right side
    529,256.28x = 219,042,532,236.93
  5. Step 5: Solve for x
    x = 219,042,532,236.93/529,256.28
  6. Step 6: Final answer
    x = 413,868.56

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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.