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Finding the Fourth Proportional to 626,562.96, 864,633.72 and 340,076.90

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Solution

The fourth proportional to 626,562.96, 864,633.72 and 340,076.90 is: 469,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,562.96 : 864,633.72 = 340,076.90 : x
  2. Step 2: Convert to fraction form
    626,562.96/864,633.72 = 340,076.90/x
  3. Step 3: Cross multiply
    626,562.96x = 864,633.72 × 340,076.90
  4. Step 4: Simplify right side
    626,562.96x = 294,041,955,133.07
  5. Step 5: Solve for x
    x = 294,041,955,133.07/626,562.96
  6. Step 6: Final answer
    x = 469,293.55

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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.