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Finding the Fourth Proportional to 580,302.18, 800,852.55 and 325,653.39

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Solution

The fourth proportional to 580,302.18, 800,852.55 and 325,653.39 is: 449,421.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,302.18 : 800,852.55 = 325,653.39 : x
  2. Step 2: Convert to fraction form
    580,302.18/800,852.55 = 325,653.39/x
  3. Step 3: Cross multiply
    580,302.18x = 800,852.55 × 325,653.39
  4. Step 4: Simplify right side
    580,302.18x = 260,800,347,797.65
  5. Step 5: Solve for x
    x = 260,800,347,797.65/580,302.18
  6. Step 6: Final answer
    x = 449,421.62

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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.