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Finding the Fourth Proportional to 416,959.38, 575,388.50 and 225,968.67

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Solution

The fourth proportional to 416,959.38, 575,388.50 and 225,968.67 is: 311,828.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,959.38 : 575,388.50 = 225,968.67 : x
  2. Step 2: Convert to fraction form
    416,959.38/575,388.50 = 225,968.67/x
  3. Step 3: Cross multiply
    416,959.38x = 575,388.50 × 225,968.67
  4. Step 4: Simplify right side
    416,959.38x = 130,019,772,948.45
  5. Step 5: Solve for x
    x = 130,019,772,948.45/416,959.38
  6. Step 6: Final answer
    x = 311,828.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.