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Finding the Fourth Proportional to 536,329.54, 804,532.71 and 162,381.70

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Solution

The fourth proportional to 536,329.54, 804,532.71 and 162,381.70 is: 243,584.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,329.54 : 804,532.71 = 162,381.70 : x
  2. Step 2: Convert to fraction form
    536,329.54/804,532.71 = 162,381.70/x
  3. Step 3: Cross multiply
    536,329.54x = 804,532.71 × 162,381.70
  4. Step 4: Simplify right side
    536,329.54x = 130,641,389,155.41
  5. Step 5: Solve for x
    x = 130,641,389,155.41/536,329.54
  6. Step 6: Final answer
    x = 243,584.18

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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.