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Finding the Fourth Proportional to 434,846.20, 609,890.60 and 434,846.20

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Solution

The fourth proportional to 434,846.20, 609,890.60 and 434,846.20 is: 609,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,846.20 : 609,890.60 = 434,846.20 : x
  2. Step 2: Convert to fraction form
    434,846.20/609,890.60 = 434,846.20/x
  3. Step 3: Cross multiply
    434,846.20x = 609,890.60 × 434,846.20
  4. Step 4: Simplify right side
    434,846.20x = 265,208,609,825.72
  5. Step 5: Solve for x
    x = 265,208,609,825.72/434,846.20
  6. Step 6: Final answer
    x = 609,890.60

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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.