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Finding the Fourth Proportional to 710,935.38, 975,868.56 and 628,558.38

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Solution

The fourth proportional to 710,935.38, 975,868.56 and 628,558.38 is: 862,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,935.38 : 975,868.56 = 628,558.38 : x
  2. Step 2: Convert to fraction form
    710,935.38/975,868.56 = 628,558.38/x
  3. Step 3: Cross multiply
    710,935.38x = 975,868.56 × 628,558.38
  4. Step 4: Simplify right side
    710,935.38x = 613,390,361,166.53
  5. Step 5: Solve for x
    x = 613,390,361,166.53/710,935.38
  6. Step 6: Final answer
    x = 862,793.41

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.