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Finding the Fourth Proportional to 325,674.16, 488,513.66 and 101,030.36

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Solution

The fourth proportional to 325,674.16, 488,513.66 and 101,030.36 is: 151,546.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,674.16 : 488,513.66 = 101,030.36 : x
  2. Step 2: Convert to fraction form
    325,674.16/488,513.66 = 101,030.36/x
  3. Step 3: Cross multiply
    325,674.16x = 488,513.66 × 101,030.36
  4. Step 4: Simplify right side
    325,674.16x = 49,354,710,934.72
  5. Step 5: Solve for x
    x = 49,354,710,934.72/325,674.16
  6. Step 6: Final answer
    x = 151,546.29

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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.