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Finding the Fourth Proportional to 624,941.52, 862,472.40 and 353,059.32

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Solution

The fourth proportional to 624,941.52, 862,472.40 and 353,059.32 is: 487,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,941.52 : 862,472.40 = 353,059.32 : x
  2. Step 2: Convert to fraction form
    624,941.52/862,472.40 = 353,059.32/x
  3. Step 3: Cross multiply
    624,941.52x = 862,472.40 × 353,059.32
  4. Step 4: Simplify right side
    624,941.52x = 304,503,919,062.77
  5. Step 5: Solve for x
    x = 304,503,919,062.77/624,941.52
  6. Step 6: Final answer
    x = 487,251.86

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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.