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Finding the Fourth Proportional to 558,293.34, 833,658.39 and 443,149.32

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Solution

The fourth proportional to 558,293.34, 833,658.39 and 443,149.32 is: 661,722.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,293.34 : 833,658.39 = 443,149.32 : x
  2. Step 2: Convert to fraction form
    558,293.34/833,658.39 = 443,149.32/x
  3. Step 3: Cross multiply
    558,293.34x = 833,658.39 × 443,149.32
  4. Step 4: Simplify right side
    558,293.34x = 369,435,146,425.05
  5. Step 5: Solve for x
    x = 369,435,146,425.05/558,293.34
  6. Step 6: Final answer
    x = 661,722.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.