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Finding the Fourth Proportional to 453,063.81, 679,592.66 and 153,755.11

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Solution

The fourth proportional to 453,063.81, 679,592.66 and 153,755.11 is: 230,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,063.81 : 679,592.66 = 153,755.11 : x
  2. Step 2: Convert to fraction form
    453,063.81/679,592.66 = 153,755.11/x
  3. Step 3: Cross multiply
    453,063.81x = 679,592.66 × 153,755.11
  4. Step 4: Simplify right side
    453,063.81x = 104,490,844,193.49
  5. Step 5: Solve for x
    x = 104,490,844,193.49/453,063.81
  6. Step 6: Final answer
    x = 230,631.63

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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.