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Finding the Fourth Proportional to 718,762.68, 992,211.32 and 464,238

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Solution

The fourth proportional to 718,762.68, 992,211.32 and 464,238 is: 640,854.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,762.68 : 992,211.32 = 464,238 : x
  2. Step 2: Convert to fraction form
    718,762.68/992,211.32 = 464,238/x
  3. Step 3: Cross multiply
    718,762.68x = 992,211.32 × 464,238
  4. Step 4: Simplify right side
    718,762.68x = 460,622,198,774.16
  5. Step 5: Solve for x
    x = 460,622,198,774.16/718,762.68
  6. Step 6: Final answer
    x = 640,854.36

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