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Finding the Fourth Proportional to 524,666.30, 786,999.45 and 325,600.70

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Solution

The fourth proportional to 524,666.30, 786,999.45 and 325,600.70 is: 488,401.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,666.30 : 786,999.45 = 325,600.70 : x
  2. Step 2: Convert to fraction form
    524,666.30/786,999.45 = 325,600.70/x
  3. Step 3: Cross multiply
    524,666.30x = 786,999.45 × 325,600.70
  4. Step 4: Simplify right side
    524,666.30x = 256,247,571,819.62
  5. Step 5: Solve for x
    x = 256,247,571,819.62/524,666.30
  6. Step 6: Final answer
    x = 488,401.05

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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.