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Finding the Fourth Proportional to 595,038.27, 821,037.30 and 353,396.64

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Solution

The fourth proportional to 595,038.27, 821,037.30 and 353,396.64 is: 487,618.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,038.27 : 821,037.30 = 353,396.64 : x
  2. Step 2: Convert to fraction form
    595,038.27/821,037.30 = 353,396.64/x
  3. Step 3: Cross multiply
    595,038.27x = 821,037.30 × 353,396.64
  4. Step 4: Simplify right side
    595,038.27x = 290,151,823,134.67
  5. Step 5: Solve for x
    x = 290,151,823,134.67/595,038.27
  6. Step 6: Final answer
    x = 487,618.76

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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.