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Finding the Fourth Proportional to 560,457.01, 773,208.44 and 345,223.81

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Solution

The fourth proportional to 560,457.01, 773,208.44 and 345,223.81 is: 476,271.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,457.01 : 773,208.44 = 345,223.81 : x
  2. Step 2: Convert to fraction form
    560,457.01/773,208.44 = 345,223.81/x
  3. Step 3: Cross multiply
    560,457.01x = 773,208.44 × 345,223.81
  4. Step 4: Simplify right side
    560,457.01x = 266,929,961,216.41
  5. Step 5: Solve for x
    x = 266,929,961,216.41/560,457.01
  6. Step 6: Final answer
    x = 476,271.97

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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.