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Finding the Fourth Proportional to 356,082.35, 533,744.71 and 243,731.03

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Solution

The fourth proportional to 356,082.35, 533,744.71 and 243,731.03 is: 365,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,082.35 : 533,744.71 = 243,731.03 : x
  2. Step 2: Convert to fraction form
    356,082.35/533,744.71 = 243,731.03/x
  3. Step 3: Cross multiply
    356,082.35x = 533,744.71 × 243,731.03
  4. Step 4: Simplify right side
    356,082.35x = 130,090,144,647.30
  5. Step 5: Solve for x
    x = 130,090,144,647.30/356,082.35
  6. Step 6: Final answer
    x = 365,337.25

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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.