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Finding the Fourth Proportional to 453,029.39, 679,119.67 and 153,300.13

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Solution

The fourth proportional to 453,029.39, 679,119.67 and 153,300.13 is: 229,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,029.39 : 679,119.67 = 153,300.13 : x
  2. Step 2: Convert to fraction form
    453,029.39/679,119.67 = 153,300.13/x
  3. Step 3: Cross multiply
    453,029.39x = 679,119.67 × 153,300.13
  4. Step 4: Simplify right side
    453,029.39x = 104,109,133,696.56
  5. Step 5: Solve for x
    x = 104,109,133,696.56/453,029.39
  6. Step 6: Final answer
    x = 229,806.58

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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.