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Finding the Fourth Proportional to 477,537.16, 658,500.90 and 356,484.28

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Solution

The fourth proportional to 477,537.16, 658,500.90 and 356,484.28 is: 491,574.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,537.16 : 658,500.90 = 356,484.28 : x
  2. Step 2: Convert to fraction form
    477,537.16/658,500.90 = 356,484.28/x
  3. Step 3: Cross multiply
    477,537.16x = 658,500.90 × 356,484.28
  4. Step 4: Simplify right side
    477,537.16x = 234,745,219,215.85
  5. Step 5: Solve for x
    x = 234,745,219,215.85/477,537.16
  6. Step 6: Final answer
    x = 491,574.77

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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.