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Finding the Fourth Proportional to 617,632.02, 926,072.57 and 257,367.51

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Solution

The fourth proportional to 617,632.02, 926,072.57 and 257,367.51 is: 385,894.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,632.02 : 926,072.57 = 257,367.51 : x
  2. Step 2: Convert to fraction form
    617,632.02/926,072.57 = 257,367.51/x
  3. Step 3: Cross multiply
    617,632.02x = 926,072.57 × 257,367.51
  4. Step 4: Simplify right side
    617,632.02x = 238,340,990,133.36
  5. Step 5: Solve for x
    x = 238,340,990,133.36/617,632.02
  6. Step 6: Final answer
    x = 385,894.81

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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.