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Finding the Fourth Proportional to 453,315.60, 679,944.24 and 137,775.24

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Solution

The fourth proportional to 453,315.60, 679,944.24 and 137,775.24 is: 206,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,315.60 : 679,944.24 = 137,775.24 : x
  2. Step 2: Convert to fraction form
    453,315.60/679,944.24 = 137,775.24/x
  3. Step 3: Cross multiply
    453,315.60x = 679,944.24 × 137,775.24
  4. Step 4: Simplify right side
    453,315.60x = 93,679,480,852.62
  5. Step 5: Solve for x
    x = 93,679,480,852.62/453,315.60
  6. Step 6: Final answer
    x = 206,654.00

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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.