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Finding the Fourth Proportional to 617,070.72, 925,704.64 and 190,506.24

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Solution

The fourth proportional to 617,070.72, 925,704.64 and 190,506.24 is: 285,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,070.72 : 925,704.64 = 190,506.24 : x
  2. Step 2: Convert to fraction form
    617,070.72/925,704.64 = 190,506.24/x
  3. Step 3: Cross multiply
    617,070.72x = 925,704.64 × 190,506.24
  4. Step 4: Simplify right side
    617,070.72x = 176,352,510,316.95
  5. Step 5: Solve for x
    x = 176,352,510,316.95/617,070.72
  6. Step 6: Final answer
    x = 285,789.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.