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Finding the Fourth Proportional to 456,955.09, 630,734.68 and 295,821.01

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Solution

The fourth proportional to 456,955.09, 630,734.68 and 295,821.01 is: 408,321.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,955.09 : 630,734.68 = 295,821.01 : x
  2. Step 2: Convert to fraction form
    456,955.09/630,734.68 = 295,821.01/x
  3. Step 3: Cross multiply
    456,955.09x = 630,734.68 × 295,821.01
  4. Step 4: Simplify right side
    456,955.09x = 186,584,571,237.82
  5. Step 5: Solve for x
    x = 186,584,571,237.82/456,955.09
  6. Step 6: Final answer
    x = 408,321.47

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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.