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Finding the Fourth Proportional to 336,104.20, 504,156.30 and 305,000.20

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Solution

The fourth proportional to 336,104.20, 504,156.30 and 305,000.20 is: 457,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,104.20 : 504,156.30 = 305,000.20 : x
  2. Step 2: Convert to fraction form
    336,104.20/504,156.30 = 305,000.20/x
  3. Step 3: Cross multiply
    336,104.20x = 504,156.30 × 305,000.20
  4. Step 4: Simplify right side
    336,104.20x = 153,767,772,331.26
  5. Step 5: Solve for x
    x = 153,767,772,331.26/336,104.20
  6. Step 6: Final answer
    x = 457,500.30

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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.