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Finding the Fourth Proportional to 333,125.40, 459,700.85 and 189,857.76

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Solution

The fourth proportional to 333,125.40, 459,700.85 and 189,857.76 is: 261,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,125.40 : 459,700.85 = 189,857.76 : x
  2. Step 2: Convert to fraction form
    333,125.40/459,700.85 = 189,857.76/x
  3. Step 3: Cross multiply
    333,125.40x = 459,700.85 × 189,857.76
  4. Step 4: Simplify right side
    333,125.40x = 87,277,773,651.10
  5. Step 5: Solve for x
    x = 87,277,773,651.10/333,125.40
  6. Step 6: Final answer
    x = 261,996.75

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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.