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Finding the Fourth Proportional to 434,596.68, 651,762.42 and 300,522.65

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Solution

The fourth proportional to 434,596.68, 651,762.42 and 300,522.65 is: 450,692.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,596.68 : 651,762.42 = 300,522.65 : x
  2. Step 2: Convert to fraction form
    434,596.68/651,762.42 = 300,522.65/x
  3. Step 3: Cross multiply
    434,596.68x = 651,762.42 × 300,522.65
  4. Step 4: Simplify right side
    434,596.68x = 195,869,366,370.00
  5. Step 5: Solve for x
    x = 195,869,366,370.00/434,596.68
  6. Step 6: Final answer
    x = 450,692.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.