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Finding the Fourth Proportional to 536,384.23, 740,082.62 and 303,813.18

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Solution

The fourth proportional to 536,384.23, 740,082.62 and 303,813.18 is: 419,189.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,384.23 : 740,082.62 = 303,813.18 : x
  2. Step 2: Convert to fraction form
    536,384.23/740,082.62 = 303,813.18/x
  3. Step 3: Cross multiply
    536,384.23x = 740,082.62 × 303,813.18
  4. Step 4: Simplify right side
    536,384.23x = 224,846,855,004.47
  5. Step 5: Solve for x
    x = 224,846,855,004.47/536,384.23
  6. Step 6: Final answer
    x = 419,189.91

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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.