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Finding the Fourth Proportional to 469,605.60, 704,342.52 and 154,021.50

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Solution

The fourth proportional to 469,605.60, 704,342.52 and 154,021.50 is: 231,010.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,605.60 : 704,342.52 = 154,021.50 : x
  2. Step 2: Convert to fraction form
    469,605.60/704,342.52 = 154,021.50/x
  3. Step 3: Cross multiply
    469,605.60x = 704,342.52 × 154,021.50
  4. Step 4: Simplify right side
    469,605.60x = 108,483,891,444.18
  5. Step 5: Solve for x
    x = 108,483,891,444.18/469,605.60
  6. Step 6: Final answer
    x = 231,010.64

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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.