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Finding the Fourth Proportional to 792,978.85, 1,094,308.03 and 430,402.70

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Solution

The fourth proportional to 792,978.85, 1,094,308.03 and 430,402.70 is: 593,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,978.85 : 1,094,308.03 = 430,402.70 : x
  2. Step 2: Convert to fraction form
    792,978.85/1,094,308.03 = 430,402.70/x
  3. Step 3: Cross multiply
    792,978.85x = 1,094,308.03 × 430,402.70
  4. Step 4: Simplify right side
    792,978.85x = 470,993,131,873.32
  5. Step 5: Solve for x
    x = 470,993,131,873.32/792,978.85
  6. Step 6: Final answer
    x = 593,954.22

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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.