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Finding the Fourth Proportional to 524,090.34, 786,301.70 and 187,123.86

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Solution

The fourth proportional to 524,090.34, 786,301.70 and 187,123.86 is: 280,745.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,090.34 : 786,301.70 = 187,123.86 : x
  2. Step 2: Convert to fraction form
    524,090.34/786,301.70 = 187,123.86/x
  3. Step 3: Cross multiply
    524,090.34x = 786,301.70 × 187,123.86
  4. Step 4: Simplify right side
    524,090.34x = 147,135,808,292.94
  5. Step 5: Solve for x
    x = 147,135,808,292.94/524,090.34
  6. Step 6: Final answer
    x = 280,745.13

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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.