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Finding the Fourth Proportional to 470,927.52, 706,391.28 and 134,003.16

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Solution

The fourth proportional to 470,927.52, 706,391.28 and 134,003.16 is: 201,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,927.52 : 706,391.28 = 134,003.16 : x
  2. Step 2: Convert to fraction form
    470,927.52/706,391.28 = 134,003.16/x
  3. Step 3: Cross multiply
    470,927.52x = 706,391.28 × 134,003.16
  4. Step 4: Simplify right side
    470,927.52x = 94,658,663,716.44
  5. Step 5: Solve for x
    x = 94,658,663,716.44/470,927.52
  6. Step 6: Final answer
    x = 201,004.74

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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.