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Finding the Fourth Proportional to 486,228.66, 670,192.44 and 325,024.89

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Solution

The fourth proportional to 486,228.66, 670,192.44 and 325,024.89 is: 447,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,228.66 : 670,192.44 = 325,024.89 : x
  2. Step 2: Convert to fraction form
    486,228.66/670,192.44 = 325,024.89/x
  3. Step 3: Cross multiply
    486,228.66x = 670,192.44 × 325,024.89
  4. Step 4: Simplify right side
    486,228.66x = 217,829,224,089.83
  5. Step 5: Solve for x
    x = 217,829,224,089.83/486,228.66
  6. Step 6: Final answer
    x = 447,997.50

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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.