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Finding the Fourth Proportional to 439,319.76, 658,226.64 and 294,955.20

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Solution

The fourth proportional to 439,319.76, 658,226.64 and 294,955.20 is: 441,927.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,319.76 : 658,226.64 = 294,955.20 : x
  2. Step 2: Convert to fraction form
    439,319.76/658,226.64 = 294,955.20/x
  3. Step 3: Cross multiply
    439,319.76x = 658,226.64 × 294,955.20
  4. Step 4: Simplify right side
    439,319.76x = 194,147,370,246.53
  5. Step 5: Solve for x
    x = 194,147,370,246.53/439,319.76
  6. Step 6: Final answer
    x = 441,927.24

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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.