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Finding the Fourth Proportional to 560,174.63, 773,037.34 and 318,457.27

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Solution

The fourth proportional to 560,174.63, 773,037.34 and 318,457.27 is: 439,468.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,174.63 : 773,037.34 = 318,457.27 : x
  2. Step 2: Convert to fraction form
    560,174.63/773,037.34 = 318,457.27/x
  3. Step 3: Cross multiply
    560,174.63x = 773,037.34 × 318,457.27
  4. Step 4: Simplify right side
    560,174.63x = 246,179,360,904.46
  5. Step 5: Solve for x
    x = 246,179,360,904.46/560,174.63
  6. Step 6: Final answer
    x = 439,468.96

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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.