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Finding the Fourth Proportional to 524,127.60, 785,999.40 and 169,234.80

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Solution

The fourth proportional to 524,127.60, 785,999.40 and 169,234.80 is: 253,790.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,127.60 : 785,999.40 = 169,234.80 : x
  2. Step 2: Convert to fraction form
    524,127.60/785,999.40 = 169,234.80/x
  3. Step 3: Cross multiply
    524,127.60x = 785,999.40 × 169,234.80
  4. Step 4: Simplify right side
    524,127.60x = 133,018,451,259.12
  5. Step 5: Solve for x
    x = 133,018,451,259.12/524,127.60
  6. Step 6: Final answer
    x = 253,790.21

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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.