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Finding the Fourth Proportional to 433,986.30, 608,980.50 and 433,986.30

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Solution

The fourth proportional to 433,986.30, 608,980.50 and 433,986.30 is: 608,980.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,986.30 : 608,980.50 = 433,986.30 : x
  2. Step 2: Convert to fraction form
    433,986.30/608,980.50 = 433,986.30/x
  3. Step 3: Cross multiply
    433,986.30x = 608,980.50 × 433,986.30
  4. Step 4: Simplify right side
    433,986.30x = 264,289,193,967.15
  5. Step 5: Solve for x
    x = 264,289,193,967.15/433,986.30
  6. Step 6: Final answer
    x = 608,980.50

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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.