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Finding the Fourth Proportional to 461,462.40, 691,804.80 and 239,846.40

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Solution

The fourth proportional to 461,462.40, 691,804.80 and 239,846.40 is: 359,567.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,462.40 : 691,804.80 = 239,846.40 : x
  2. Step 2: Convert to fraction form
    461,462.40/691,804.80 = 239,846.40/x
  3. Step 3: Cross multiply
    461,462.40x = 691,804.80 × 239,846.40
  4. Step 4: Simplify right side
    461,462.40x = 165,926,890,782.72
  5. Step 5: Solve for x
    x = 165,926,890,782.72/461,462.40
  6. Step 6: Final answer
    x = 359,567.52

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1.5x scale

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.