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Finding the Fourth Proportional to 297,673.60, 446,510.40 and 231,318.40

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Solution

The fourth proportional to 297,673.60, 446,510.40 and 231,318.40 is: 346,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,673.60 : 446,510.40 = 231,318.40 : x
  2. Step 2: Convert to fraction form
    297,673.60/446,510.40 = 231,318.40/x
  3. Step 3: Cross multiply
    297,673.60x = 446,510.40 × 231,318.40
  4. Step 4: Simplify right side
    297,673.60x = 103,286,071,311.36
  5. Step 5: Solve for x
    x = 103,286,071,311.36/297,673.60
  6. Step 6: Final answer
    x = 346,977.60

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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.