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Finding the Fourth Proportional to 617,124.02, 925,353.19 and 279,980.71

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Solution

The fourth proportional to 617,124.02, 925,353.19 and 279,980.71 is: 419,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,124.02 : 925,353.19 = 279,980.71 : x
  2. Step 2: Convert to fraction form
    617,124.02/925,353.19 = 279,980.71/x
  3. Step 3: Cross multiply
    617,124.02x = 925,353.19 × 279,980.71
  4. Step 4: Simplify right side
    617,124.02x = 259,081,043,136.97
  5. Step 5: Solve for x
    x = 259,081,043,136.97/617,124.02
  6. Step 6: Final answer
    x = 419,820.06

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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.