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Finding the Fourth Proportional to 453,510.90, 680,266.35 and 154,329.30

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Solution

The fourth proportional to 453,510.90, 680,266.35 and 154,329.30 is: 231,493.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,510.90 : 680,266.35 = 154,329.30 : x
  2. Step 2: Convert to fraction form
    453,510.90/680,266.35 = 154,329.30/x
  3. Step 3: Cross multiply
    453,510.90x = 680,266.35 × 154,329.30
  4. Step 4: Simplify right side
    453,510.90x = 104,985,029,609.06
  5. Step 5: Solve for x
    x = 104,985,029,609.06/453,510.90
  6. Step 6: Final answer
    x = 231,493.95

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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.