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Finding the Fourth Proportional to 598,429.36, 825,554.40 and 356,576.32

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Solution

The fourth proportional to 598,429.36, 825,554.40 and 356,576.32 is: 491,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,429.36 : 825,554.40 = 356,576.32 : x
  2. Step 2: Convert to fraction form
    598,429.36/825,554.40 = 356,576.32/x
  3. Step 3: Cross multiply
    598,429.36x = 825,554.40 × 356,576.32
  4. Step 4: Simplify right side
    598,429.36x = 294,373,149,911.81
  5. Step 5: Solve for x
    x = 294,373,149,911.81/598,429.36
  6. Step 6: Final answer
    x = 491,909.60

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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.