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Finding the Fourth Proportional to 373,260.30, 559,890.45 and 120,540.30

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Solution

The fourth proportional to 373,260.30, 559,890.45 and 120,540.30 is: 180,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,260.30 : 559,890.45 = 120,540.30 : x
  2. Step 2: Convert to fraction form
    373,260.30/559,890.45 = 120,540.30/x
  3. Step 3: Cross multiply
    373,260.30x = 559,890.45 × 120,540.30
  4. Step 4: Simplify right side
    373,260.30x = 67,489,362,810.14
  5. Step 5: Solve for x
    x = 67,489,362,810.14/373,260.30
  6. Step 6: Final answer
    x = 180,810.45

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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.