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Finding the Fourth Proportional to 333,657.23, 500,485.70 and 133,977.55

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Solution

The fourth proportional to 333,657.23, 500,485.70 and 133,977.55 is: 200,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,657.23 : 500,485.70 = 133,977.55 : x
  2. Step 2: Convert to fraction form
    333,657.23/500,485.70 = 133,977.55/x
  3. Step 3: Cross multiply
    333,657.23x = 500,485.70 × 133,977.55
  4. Step 4: Simplify right side
    333,657.23x = 67,053,846,979.76
  5. Step 5: Solve for x
    x = 67,053,846,979.76/333,657.23
  6. Step 6: Final answer
    x = 200,966.27

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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.