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Finding the Fourth Proportional to 579,958.84, 800,289.42 and 325,260.76

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Solution

The fourth proportional to 579,958.84, 800,289.42 and 325,260.76 is: 448,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,958.84 : 800,289.42 = 325,260.76 : x
  2. Step 2: Convert to fraction form
    579,958.84/800,289.42 = 325,260.76/x
  3. Step 3: Cross multiply
    579,958.84x = 800,289.42 × 325,260.76
  4. Step 4: Simplify right side
    579,958.84x = 260,302,744,969.16
  5. Step 5: Solve for x
    x = 260,302,744,969.16/579,958.84
  6. Step 6: Final answer
    x = 448,829.69

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1.5x scale

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.