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Finding the Fourth Proportional to 402,933.39, 604,269.78 and 133,000.89

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Solution

The fourth proportional to 402,933.39, 604,269.78 and 133,000.89 is: 199,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,933.39 : 604,269.78 = 133,000.89 : x
  2. Step 2: Convert to fraction form
    402,933.39/604,269.78 = 133,000.89/x
  3. Step 3: Cross multiply
    402,933.39x = 604,269.78 × 133,000.89
  4. Step 4: Simplify right side
    402,933.39x = 80,368,421,622.00
  5. Step 5: Solve for x
    x = 80,368,421,622.00/402,933.39
  6. Step 6: Final answer
    x = 199,458.33

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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.