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Finding the Fourth Proportional to 653,225.70, 901,428.30 and 366,757.86

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Solution

The fourth proportional to 653,225.70, 901,428.30 and 366,757.86 is: 506,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,225.70 : 901,428.30 = 366,757.86 : x
  2. Step 2: Convert to fraction form
    653,225.70/901,428.30 = 366,757.86/x
  3. Step 3: Cross multiply
    653,225.70x = 901,428.30 × 366,757.86
  4. Step 4: Simplify right side
    653,225.70x = 330,605,914,251.44
  5. Step 5: Solve for x
    x = 330,605,914,251.44/653,225.70
  6. Step 6: Final answer
    x = 506,112.84

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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.