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Finding the Fourth Proportional to 580,052.49, 800,477.90 and 325,409.15

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Solution

The fourth proportional to 580,052.49, 800,477.90 and 325,409.15 is: 449,067.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,052.49 : 800,477.90 = 325,409.15 : x
  2. Step 2: Convert to fraction form
    580,052.49/800,477.90 = 325,409.15/x
  3. Step 3: Cross multiply
    580,052.49x = 800,477.90 × 325,409.15
  4. Step 4: Simplify right side
    580,052.49x = 260,482,829,030.40
  5. Step 5: Solve for x
    x = 260,482,829,030.40/580,052.49
  6. Step 6: Final answer
    x = 449,067.69

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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.