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Finding the Fourth Proportional to 500,170.01, 690,234.62 and 273,815.51

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Solution

The fourth proportional to 500,170.01, 690,234.62 and 273,815.51 is: 377,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,170.01 : 690,234.62 = 273,815.51 : x
  2. Step 2: Convert to fraction form
    500,170.01/690,234.62 = 273,815.51/x
  3. Step 3: Cross multiply
    500,170.01x = 690,234.62 × 273,815.51
  4. Step 4: Simplify right side
    500,170.01x = 188,996,939,674.71
  5. Step 5: Solve for x
    x = 188,996,939,674.71/500,170.01
  6. Step 6: Final answer
    x = 377,865.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.