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Finding the Fourth Proportional to 952,457.88, 1,314,407.92 and 522,778

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Solution

The fourth proportional to 952,457.88, 1,314,407.92 and 522,778 is: 721,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,457.88 : 1,314,407.92 = 522,778 : x
  2. Step 2: Convert to fraction form
    952,457.88/1,314,407.92 = 522,778/x
  3. Step 3: Cross multiply
    952,457.88x = 1,314,407.92 × 522,778
  4. Step 4: Simplify right side
    952,457.88x = 687,143,543,601.76
  5. Step 5: Solve for x
    x = 687,143,543,601.76/952,457.88
  6. Step 6: Final answer
    x = 721,442.45

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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.