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Finding the Fourth Proportional to 333,505.50, 500,396.85 and 133,967.40

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Solution

The fourth proportional to 333,505.50, 500,396.85 and 133,967.40 is: 201,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,505.50 : 500,396.85 = 133,967.40 : x
  2. Step 2: Convert to fraction form
    333,505.50/500,396.85 = 133,967.40/x
  3. Step 3: Cross multiply
    333,505.50x = 500,396.85 × 133,967.40
  4. Step 4: Simplify right side
    333,505.50x = 67,036,864,962.69
  5. Step 5: Solve for x
    x = 67,036,864,962.69/333,505.50
  6. Step 6: Final answer
    x = 201,006.77

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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.