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Finding the Fourth Proportional to 527,936.01, 791,888.50 and 128,570.98

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Solution

The fourth proportional to 527,936.01, 791,888.50 and 128,570.98 is: 192,852.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,936.01 : 791,888.50 = 128,570.98 : x
  2. Step 2: Convert to fraction form
    527,936.01/791,888.50 = 128,570.98/x
  3. Step 3: Cross multiply
    527,936.01x = 791,888.50 × 128,570.98
  4. Step 4: Simplify right side
    527,936.01x = 101,813,880,495.73
  5. Step 5: Solve for x
    x = 101,813,880,495.73/527,936.01
  6. Step 6: Final answer
    x = 192,852.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.