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Finding the Fourth Proportional to 626,576.76, 864,677.52 and 340,096.86

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Solution

The fourth proportional to 626,576.76, 864,677.52 and 340,096.86 is: 469,334.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,576.76 : 864,677.52 = 340,096.86 : x
  2. Step 2: Convert to fraction form
    626,576.76/864,677.52 = 340,096.86/x
  3. Step 3: Cross multiply
    626,576.76x = 864,677.52 × 340,096.86
  4. Step 4: Simplify right side
    626,576.76x = 294,074,109,464.59
  5. Step 5: Solve for x
    x = 294,074,109,464.59/626,576.76
  6. Step 6: Final answer
    x = 469,334.53

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1.5x scale

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.