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Finding the Fourth Proportional to 679,498.58, 937,714.34 and 373,577.12

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Solution

The fourth proportional to 679,498.58, 937,714.34 and 373,577.12 is: 515,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,498.58 : 937,714.34 = 373,577.12 : x
  2. Step 2: Convert to fraction form
    679,498.58/937,714.34 = 373,577.12/x
  3. Step 3: Cross multiply
    679,498.58x = 937,714.34 × 373,577.12
  4. Step 4: Simplify right side
    679,498.58x = 350,308,620,652.02
  5. Step 5: Solve for x
    x = 350,308,620,652.02/679,498.58
  6. Step 6: Final answer
    x = 515,539.89

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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.