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Finding the Fourth Proportional to 502,677.45, 754,553.34 and 203,353.70

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Solution

The fourth proportional to 502,677.45, 754,553.34 and 203,353.70 is: 305,247.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,677.45 : 754,553.34 = 203,353.70 : x
  2. Step 2: Convert to fraction form
    502,677.45/754,553.34 = 203,353.70/x
  3. Step 3: Cross multiply
    502,677.45x = 754,553.34 × 203,353.70
  4. Step 4: Simplify right side
    502,677.45x = 153,441,209,763.59
  5. Step 5: Solve for x
    x = 153,441,209,763.59/502,677.45
  6. Step 6: Final answer
    x = 305,247.85

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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.