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Finding the Fourth Proportional to 483,081.68, 665,556 and 373,810.25

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Solution

The fourth proportional to 483,081.68, 665,556 and 373,810.25 is: 515,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,081.68 : 665,556 = 373,810.25 : x
  2. Step 2: Convert to fraction form
    483,081.68/665,556 = 373,810.25/x
  3. Step 3: Cross multiply
    483,081.68x = 665,556 × 373,810.25
  4. Step 4: Simplify right side
    483,081.68x = 248,791,654,749
  5. Step 5: Solve for x
    x = 248,791,654,749/483,081.68
  6. Step 6: Final answer
    x = 515,009.50

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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.