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Finding the Fourth Proportional to 625,526.57, 863,227.58 and 339,046.58

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Solution

The fourth proportional to 625,526.57, 863,227.58 and 339,046.58 is: 467,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,526.57 : 863,227.58 = 339,046.58 : x
  2. Step 2: Convert to fraction form
    625,526.57/863,227.58 = 339,046.58/x
  3. Step 3: Cross multiply
    625,526.57x = 863,227.58 × 339,046.58
  4. Step 4: Simplify right side
    625,526.57x = 292,674,352,749.31
  5. Step 5: Solve for x
    x = 292,674,352,749.31/625,526.57
  6. Step 6: Final answer
    x = 467,884.77

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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.