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Finding the Fourth Proportional to 595,418.46, 821,686.80 and 323,491.74

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Solution

The fourth proportional to 595,418.46, 821,686.80 and 323,491.74 is: 446,423.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,418.46 : 821,686.80 = 323,491.74 : x
  2. Step 2: Convert to fraction form
    595,418.46/821,686.80 = 323,491.74/x
  3. Step 3: Cross multiply
    595,418.46x = 821,686.80 × 323,491.74
  4. Step 4: Simplify right side
    595,418.46x = 265,808,892,667.03
  5. Step 5: Solve for x
    x = 265,808,892,667.03/595,418.46
  6. Step 6: Final answer
    x = 446,423.67

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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.