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Finding the Fourth Proportional to 671,714.24, 927,150.72 and 457,213.28

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Solution

The fourth proportional to 671,714.24, 927,150.72 and 457,213.28 is: 631,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,714.24 : 927,150.72 = 457,213.28 : x
  2. Step 2: Convert to fraction form
    671,714.24/927,150.72 = 457,213.28/x
  3. Step 3: Cross multiply
    671,714.24x = 927,150.72 × 457,213.28
  4. Step 4: Simplify right side
    671,714.24x = 423,905,621,745.56
  5. Step 5: Solve for x
    x = 423,905,621,745.56/671,714.24
  6. Step 6: Final answer
    x = 631,080.30

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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.