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Finding the Fourth Proportional to 557,442.60, 836,163.90 and 470,837.40

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Solution

The fourth proportional to 557,442.60, 836,163.90 and 470,837.40 is: 706,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,442.60 : 836,163.90 = 470,837.40 : x
  2. Step 2: Convert to fraction form
    557,442.60/836,163.90 = 470,837.40/x
  3. Step 3: Cross multiply
    557,442.60x = 836,163.90 × 470,837.40
  4. Step 4: Simplify right side
    557,442.60x = 393,697,236,649.86
  5. Step 5: Solve for x
    x = 393,697,236,649.86/557,442.60
  6. Step 6: Final answer
    x = 706,256.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.