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Finding the Fourth Proportional to 301,658.40, 452,617.20 and 153,914.40

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Solution

The fourth proportional to 301,658.40, 452,617.20 and 153,914.40 is: 230,937.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,658.40 : 452,617.20 = 153,914.40 : x
  2. Step 2: Convert to fraction form
    301,658.40/452,617.20 = 153,914.40/x
  3. Step 3: Cross multiply
    301,658.40x = 452,617.20 × 153,914.40
  4. Step 4: Simplify right side
    301,658.40x = 69,664,304,767.68
  5. Step 5: Solve for x
    x = 69,664,304,767.68/301,658.40
  6. Step 6: Final answer
    x = 230,937.73

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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.