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Finding the Fourth Proportional to 524,219.37, 786,129.78 and 169,180.17

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Solution

The fourth proportional to 524,219.37, 786,129.78 and 169,180.17 is: 253,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,219.37 : 786,129.78 = 169,180.17 : x
  2. Step 2: Convert to fraction form
    524,219.37/786,129.78 = 169,180.17/x
  3. Step 3: Cross multiply
    524,219.37x = 786,129.78 × 169,180.17
  4. Step 4: Simplify right side
    524,219.37x = 132,997,569,822.46
  5. Step 5: Solve for x
    x = 132,997,569,822.46/524,219.37
  6. Step 6: Final answer
    x = 253,705.94

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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.