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Finding the Fourth Proportional to 637,888.10, 957,425.06 and 322,571.30

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Solution

The fourth proportional to 637,888.10, 957,425.06 and 322,571.30 is: 484,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,888.10 : 957,425.06 = 322,571.30 : x
  2. Step 2: Convert to fraction form
    637,888.10/957,425.06 = 322,571.30/x
  3. Step 3: Cross multiply
    637,888.10x = 957,425.06 × 322,571.30
  4. Step 4: Simplify right side
    637,888.10x = 308,837,842,276.08
  5. Step 5: Solve for x
    x = 308,837,842,276.08/637,888.10
  6. Step 6: Final answer
    x = 484,156.77

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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.