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Finding the Fourth Proportional to 492,602.51, 739,195.61 and 208,277.53

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Solution

The fourth proportional to 492,602.51, 739,195.61 and 208,277.53 is: 312,539.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,602.51 : 739,195.61 = 208,277.53 : x
  2. Step 2: Convert to fraction form
    492,602.51/739,195.61 = 208,277.53/x
  3. Step 3: Cross multiply
    492,602.51x = 739,195.61 × 208,277.53
  4. Step 4: Simplify right side
    492,602.51x = 153,957,832,948.27
  5. Step 5: Solve for x
    x = 153,957,832,948.27/492,602.51
  6. Step 6: Final answer
    x = 312,539.68

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Why These Related Problems?

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