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Finding the Fourth Proportional to 324,543.06, 486,153.63 and 264,784.50

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Solution

The fourth proportional to 324,543.06, 486,153.63 and 264,784.50 is: 396,637.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,543.06 : 486,153.63 = 264,784.50 : x
  2. Step 2: Convert to fraction form
    324,543.06/486,153.63 = 264,784.50/x
  3. Step 3: Cross multiply
    324,543.06x = 486,153.63 × 264,784.50
  4. Step 4: Simplify right side
    324,543.06x = 128,725,945,842.74
  5. Step 5: Solve for x
    x = 128,725,945,842.74/324,543.06
  6. Step 6: Final answer
    x = 396,637.49

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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.