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Finding the Fourth Proportional to 637,518.30, 956,276.43 and 437,231.48

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Solution

The fourth proportional to 637,518.30, 956,276.43 and 437,231.48 is: 655,846.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,518.30 : 956,276.43 = 437,231.48 : x
  2. Step 2: Convert to fraction form
    637,518.30/956,276.43 = 437,231.48/x
  3. Step 3: Cross multiply
    637,518.30x = 956,276.43 × 437,231.48
  4. Step 4: Simplify right side
    637,518.30x = 418,114,154,105.38
  5. Step 5: Solve for x
    x = 418,114,154,105.38/637,518.30
  6. Step 6: Final answer
    x = 655,846.51

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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.