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Finding the Fourth Proportional to 480,151.92, 720,262.92 and 164,606.16

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Solution

The fourth proportional to 480,151.92, 720,262.92 and 164,606.16 is: 246,921.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,151.92 : 720,262.92 = 164,606.16 : x
  2. Step 2: Convert to fraction form
    480,151.92/720,262.92 = 164,606.16/x
  3. Step 3: Cross multiply
    480,151.92x = 720,262.92 × 164,606.16
  4. Step 4: Simplify right side
    480,151.92x = 118,559,713,451.59
  5. Step 5: Solve for x
    x = 118,559,713,451.59/480,151.92
  6. Step 6: Final answer
    x = 246,921.25

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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.