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Finding the Fourth Proportional to 598,658.56, 826,128.12 and 356,816.62

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Solution

The fourth proportional to 598,658.56, 826,128.12 and 356,816.62 is: 492,394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,658.56 : 826,128.12 = 356,816.62 : x
  2. Step 2: Convert to fraction form
    598,658.56/826,128.12 = 356,816.62/x
  3. Step 3: Cross multiply
    598,658.56x = 826,128.12 × 356,816.62
  4. Step 4: Simplify right side
    598,658.56x = 294,776,243,465.35
  5. Step 5: Solve for x
    x = 294,776,243,465.35/598,658.56
  6. Step 6: Final answer
    x = 492,394.60

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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.