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Finding the Fourth Proportional to 546,950.04, 820,321.20 and 231,628.32

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Solution

The fourth proportional to 546,950.04, 820,321.20 and 231,628.32 is: 347,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,950.04 : 820,321.20 = 231,628.32 : x
  2. Step 2: Convert to fraction form
    546,950.04/820,321.20 = 231,628.32/x
  3. Step 3: Cross multiply
    546,950.04x = 820,321.20 × 231,628.32
  4. Step 4: Simplify right side
    546,950.04x = 190,009,621,416.38
  5. Step 5: Solve for x
    x = 190,009,621,416.38/546,950.04
  6. Step 6: Final answer
    x = 347,398.50

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1.5x scale

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.