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Finding the Fourth Proportional to 597,979.45, 825,411.60 and 356,337.82

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Solution

The fourth proportional to 597,979.45, 825,411.60 and 356,337.82 is: 491,865.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,979.45 : 825,411.60 = 356,337.82 : x
  2. Step 2: Convert to fraction form
    597,979.45/825,411.60 = 356,337.82/x
  3. Step 3: Cross multiply
    597,979.45x = 825,411.60 × 356,337.82
  4. Step 4: Simplify right side
    597,979.45x = 294,125,370,146.71
  5. Step 5: Solve for x
    x = 294,125,370,146.71/597,979.45
  6. Step 6: Final answer
    x = 491,865.35

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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.