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Finding the Fourth Proportional to 601,919.52, 830,658.24 and 330,013.44

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Solution

The fourth proportional to 601,919.52, 830,658.24 and 330,013.44 is: 455,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,919.52 : 830,658.24 = 330,013.44 : x
  2. Step 2: Convert to fraction form
    601,919.52/830,658.24 = 330,013.44/x
  3. Step 3: Cross multiply
    601,919.52x = 830,658.24 × 330,013.44
  4. Step 4: Simplify right side
    601,919.52x = 274,128,383,246.75
  5. Step 5: Solve for x
    x = 274,128,383,246.75/601,919.52
  6. Step 6: Final answer
    x = 455,423.65

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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.