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Finding the Fourth Proportional to 472,052.03, 708,139.86 and 172,673.60

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Solution

The fourth proportional to 472,052.03, 708,139.86 and 172,673.60 is: 259,033.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,052.03 : 708,139.86 = 172,673.60 : x
  2. Step 2: Convert to fraction form
    472,052.03/708,139.86 = 172,673.60/x
  3. Step 3: Cross multiply
    472,052.03x = 708,139.86 × 172,673.60
  4. Step 4: Simplify right side
    472,052.03x = 122,277,055,389.00
  5. Step 5: Solve for x
    x = 122,277,055,389.00/472,052.03
  6. Step 6: Final answer
    x = 259,033.01

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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.