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Finding the Fourth Proportional to 336,401.50, 504,602.26 and 136,830.46

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Solution

The fourth proportional to 336,401.50, 504,602.26 and 136,830.46 is: 205,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,401.50 : 504,602.26 = 136,830.46 : x
  2. Step 2: Convert to fraction form
    336,401.50/504,602.26 = 136,830.46/x
  3. Step 3: Cross multiply
    336,401.50x = 504,602.26 × 136,830.46
  4. Step 4: Simplify right side
    336,401.50x = 69,044,959,352.84
  5. Step 5: Solve for x
    x = 69,044,959,352.84/336,401.50
  6. Step 6: Final answer
    x = 205,245.69

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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.