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Finding the Fourth Proportional to 434,766.45, 609,087.75 and 434,766.45

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Solution

The fourth proportional to 434,766.45, 609,087.75 and 434,766.45 is: 609,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,766.45 : 609,087.75 = 434,766.45 : x
  2. Step 2: Convert to fraction form
    434,766.45/609,087.75 = 434,766.45/x
  3. Step 3: Cross multiply
    434,766.45x = 609,087.75 × 434,766.45
  4. Step 4: Simplify right side
    434,766.45x = 264,810,918,805.99
  5. Step 5: Solve for x
    x = 264,810,918,805.99/434,766.45
  6. Step 6: Final answer
    x = 609,087.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.