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Finding the Fourth Proportional to 416,917.01, 626,212.25 and 248,765.46

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Solution

The fourth proportional to 416,917.01, 626,212.25 and 248,765.46 is: 373,647.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,917.01 : 626,212.25 = 248,765.46 : x
  2. Step 2: Convert to fraction form
    416,917.01/626,212.25 = 248,765.46/x
  3. Step 3: Cross multiply
    416,917.01x = 626,212.25 × 248,765.46
  4. Step 4: Simplify right side
    416,917.01x = 155,779,977,185.06
  5. Step 5: Solve for x
    x = 155,779,977,185.06/416,917.01
  6. Step 6: Final answer
    x = 373,647.45

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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.