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Finding the Fourth Proportional to 328,737.20, 453,670.20 and 192,752.24

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Solution

The fourth proportional to 328,737.20, 453,670.20 and 192,752.24 is: 266,005.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,737.20 : 453,670.20 = 192,752.24 : x
  2. Step 2: Convert to fraction form
    328,737.20/453,670.20 = 192,752.24/x
  3. Step 3: Cross multiply
    328,737.20x = 453,670.20 × 192,752.24
  4. Step 4: Simplify right side
    328,737.20x = 87,445,947,271.25
  5. Step 5: Solve for x
    x = 87,445,947,271.25/328,737.20
  6. Step 6: Final answer
    x = 266,005.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.