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Finding the Fourth Proportional to 560,174.38, 773,037 and 318,457.02

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Solution

The fourth proportional to 560,174.38, 773,037 and 318,457.02 is: 439,468.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,174.38 : 773,037 = 318,457.02 : x
  2. Step 2: Convert to fraction form
    560,174.38/773,037 = 318,457.02/x
  3. Step 3: Cross multiply
    560,174.38x = 773,037 × 318,457.02
  4. Step 4: Simplify right side
    560,174.38x = 246,179,059,369.74
  5. Step 5: Solve for x
    x = 246,179,059,369.74/560,174.38
  6. Step 6: Final answer
    x = 439,468.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.