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Finding the Fourth Proportional to 264,955.31, 398,235.89 and 175,303.81

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Solution

The fourth proportional to 264,955.31, 398,235.89 and 175,303.81 is: 263,486.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,955.31 : 398,235.89 = 175,303.81 : x
  2. Step 2: Convert to fraction form
    264,955.31/398,235.89 = 175,303.81/x
  3. Step 3: Cross multiply
    264,955.31x = 398,235.89 × 175,303.81
  4. Step 4: Simplify right side
    264,955.31x = 69,812,268,795.74
  5. Step 5: Solve for x
    x = 69,812,268,795.74/264,955.31
  6. Step 6: Final answer
    x = 263,486.96

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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.