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Finding the Fourth Proportional to 524,558.70, 786,645.24 and 187,508.40

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Solution

The fourth proportional to 524,558.70, 786,645.24 and 187,508.40 is: 281,193.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,558.70 : 786,645.24 = 187,508.40 : x
  2. Step 2: Convert to fraction form
    524,558.70/786,645.24 = 187,508.40/x
  3. Step 3: Cross multiply
    524,558.70x = 786,645.24 × 187,508.40
  4. Step 4: Simplify right side
    524,558.70x = 147,502,590,320.02
  5. Step 5: Solve for x
    x = 147,502,590,320.02/524,558.70
  6. Step 6: Final answer
    x = 281,193.68

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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.