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Finding the Fourth Proportional to 324,483.45, 486,064.19 and 264,724.89

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Solution

The fourth proportional to 324,483.45, 486,064.19 and 264,724.89 is: 396,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,483.45 : 486,064.19 = 264,724.89 : x
  2. Step 2: Convert to fraction form
    324,483.45/486,064.19 = 264,724.89/x
  3. Step 3: Cross multiply
    324,483.45x = 486,064.19 × 264,724.89
  4. Step 4: Simplify right side
    324,483.45x = 128,673,287,907.07
  5. Step 5: Solve for x
    x = 128,673,287,907.07/324,483.45
  6. Step 6: Final answer
    x = 396,548.08

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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.