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Finding the Fourth Proportional to 459,563.89, 634,177.72 and 265,940.58

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Solution

The fourth proportional to 459,563.89, 634,177.72 and 265,940.58 is: 366,986.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,563.89 : 634,177.72 = 265,940.58 : x
  2. Step 2: Convert to fraction form
    459,563.89/634,177.72 = 265,940.58/x
  3. Step 3: Cross multiply
    459,563.89x = 634,177.72 × 265,940.58
  4. Step 4: Simplify right side
    459,563.89x = 168,653,592,949.34
  5. Step 5: Solve for x
    x = 168,653,592,949.34/459,563.89
  6. Step 6: Final answer
    x = 366,986.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.