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Finding the Fourth Proportional to 471,880.59, 651,337.52 and 321,065.07

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Solution

The fourth proportional to 471,880.59, 651,337.52 and 321,065.07 is: 443,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,880.59 : 651,337.52 = 321,065.07 : x
  2. Step 2: Convert to fraction form
    471,880.59/651,337.52 = 321,065.07/x
  3. Step 3: Cross multiply
    471,880.59x = 651,337.52 × 321,065.07
  4. Step 4: Simplify right side
    471,880.59x = 209,121,724,847.10
  5. Step 5: Solve for x
    x = 209,121,724,847.10/471,880.59
  6. Step 6: Final answer
    x = 443,166.62

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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.