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Finding the Fourth Proportional to 713,247, 984,381.72 and 441,402.52

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Solution

The fourth proportional to 713,247, 984,381.72 and 441,402.52 is: 609,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,247 : 984,381.72 = 441,402.52 : x
  2. Step 2: Convert to fraction form
    713,247/984,381.72 = 441,402.52/x
  3. Step 3: Cross multiply
    713,247x = 984,381.72 × 441,402.52
  4. Step 4: Simplify right side
    713,247x = 434,508,571,849.93
  5. Step 5: Solve for x
    x = 434,508,571,849.93/713,247
  6. Step 6: Final answer
    x = 609,197.90

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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.