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Finding the Fourth Proportional to 492,051.20, 737,858.10 and 192,432.20

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Solution

The fourth proportional to 492,051.20, 737,858.10 and 192,432.20 is: 288,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,051.20 : 737,858.10 = 192,432.20 : x
  2. Step 2: Convert to fraction form
    492,051.20/737,858.10 = 192,432.20/x
  3. Step 3: Cross multiply
    492,051.20x = 737,858.10 × 192,432.20
  4. Step 4: Simplify right side
    492,051.20x = 141,987,657,470.82
  5. Step 5: Solve for x
    x = 141,987,657,470.82/492,051.20
  6. Step 6: Final answer
    x = 288,562.77

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1.5x scale

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.