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Finding the Fourth Proportional to 595,470.56, 821,765.04 and 340,903.76

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Solution

The fourth proportional to 595,470.56, 821,765.04 and 340,903.76 is: 470,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,470.56 : 821,765.04 = 340,903.76 : x
  2. Step 2: Convert to fraction form
    595,470.56/821,765.04 = 340,903.76/x
  3. Step 3: Cross multiply
    595,470.56x = 821,765.04 × 340,903.76
  4. Step 4: Simplify right side
    595,470.56x = 280,142,791,972.55
  5. Step 5: Solve for x
    x = 280,142,791,972.55/595,470.56
  6. Step 6: Final answer
    x = 470,456.16

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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.