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Finding the Fourth Proportional to 595,246.64, 821,446.40 and 323,319.86

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Solution

The fourth proportional to 595,246.64, 821,446.40 and 323,319.86 is: 446,184.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,246.64 : 821,446.40 = 323,319.86 : x
  2. Step 2: Convert to fraction form
    595,246.64/821,446.40 = 323,319.86/x
  3. Step 3: Cross multiply
    595,246.64x = 821,446.40 × 323,319.86
  4. Step 4: Simplify right side
    595,246.64x = 265,589,935,045.50
  5. Step 5: Solve for x
    x = 265,589,935,045.50/595,246.64
  6. Step 6: Final answer
    x = 446,184.69

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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.