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Finding the Fourth Proportional to 637,861.82, 956,460.54 and 238,173.92

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Solution

The fourth proportional to 637,861.82, 956,460.54 and 238,173.92 is: 357,136.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,861.82 : 956,460.54 = 238,173.92 : x
  2. Step 2: Convert to fraction form
    637,861.82/956,460.54 = 238,173.92/x
  3. Step 3: Cross multiply
    637,861.82x = 956,460.54 × 238,173.92
  4. Step 4: Simplify right side
    637,861.82x = 227,803,956,137.12
  5. Step 5: Solve for x
    x = 227,803,956,137.12/637,861.82
  6. Step 6: Final answer
    x = 357,136.84

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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.