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Finding the Fourth Proportional to 577,714.20, 797,446.02 and 397,024.26

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Solution

The fourth proportional to 577,714.20, 797,446.02 and 397,024.26 is: 548,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,714.20 : 797,446.02 = 397,024.26 : x
  2. Step 2: Convert to fraction form
    577,714.20/797,446.02 = 397,024.26/x
  3. Step 3: Cross multiply
    577,714.20x = 797,446.02 × 397,024.26
  4. Step 4: Simplify right side
    577,714.20x = 316,605,415,980.45
  5. Step 5: Solve for x
    x = 316,605,415,980.45/577,714.20
  6. Step 6: Final answer
    x = 548,031.22

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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.