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Finding the Fourth Proportional to 453,804, 680,625.76 and 169,430.72

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Solution

The fourth proportional to 453,804, 680,625.76 and 169,430.72 is: 254,116.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,804 : 680,625.76 = 169,430.72 : x
  2. Step 2: Convert to fraction form
    453,804/680,625.76 = 169,430.72/x
  3. Step 3: Cross multiply
    453,804x = 680,625.76 × 169,430.72
  4. Step 4: Simplify right side
    453,804x = 115,318,912,567.35
  5. Step 5: Solve for x
    x = 115,318,912,567.35/453,804
  6. Step 6: Final answer
    x = 254,116.12

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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.