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Finding the Fourth Proportional to 480,469.14, 662,989.73 and 265,579.79

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Solution

The fourth proportional to 480,469.14, 662,989.73 and 265,579.79 is: 366,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,469.14 : 662,989.73 = 265,579.79 : x
  2. Step 2: Convert to fraction form
    480,469.14/662,989.73 = 265,579.79/x
  3. Step 3: Cross multiply
    480,469.14x = 662,989.73 × 265,579.79
  4. Step 4: Simplify right side
    480,469.14x = 176,076,668,622.71
  5. Step 5: Solve for x
    x = 176,076,668,622.71/480,469.14
  6. Step 6: Final answer
    x = 366,468.22

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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.