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Finding the Fourth Proportional to 434,555.80, 650,796.90 and 434,555.80

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Solution

The fourth proportional to 434,555.80, 650,796.90 and 434,555.80 is: 650,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,555.80 : 650,796.90 = 434,555.80 : x
  2. Step 2: Convert to fraction form
    434,555.80/650,796.90 = 434,555.80/x
  3. Step 3: Cross multiply
    434,555.80x = 650,796.90 × 434,555.80
  4. Step 4: Simplify right side
    434,555.80x = 282,807,567,517.02
  5. Step 5: Solve for x
    x = 282,807,567,517.02/434,555.80
  6. Step 6: Final answer
    x = 650,796.90

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1.5x scale

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.