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Finding the Fourth Proportional to 452,460.13, 677,656.63 and 215,969.29

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Solution

The fourth proportional to 452,460.13, 677,656.63 and 215,969.29 is: 323,460.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,460.13 : 677,656.63 = 215,969.29 : x
  2. Step 2: Convert to fraction form
    452,460.13/677,656.63 = 215,969.29/x
  3. Step 3: Cross multiply
    452,460.13x = 677,656.63 × 215,969.29
  4. Step 4: Simplify right side
    452,460.13x = 146,353,021,244.89
  5. Step 5: Solve for x
    x = 146,353,021,244.89/452,460.13
  6. Step 6: Final answer
    x = 323,460.59

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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.