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Finding the Fourth Proportional to 617,052.96, 925,521.12 and 196,254.72

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Solution

The fourth proportional to 617,052.96, 925,521.12 and 196,254.72 is: 294,363.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,052.96 : 925,521.12 = 196,254.72 : x
  2. Step 2: Convert to fraction form
    617,052.96/925,521.12 = 196,254.72/x
  3. Step 3: Cross multiply
    617,052.96x = 925,521.12 × 196,254.72
  4. Step 4: Simplify right side
    617,052.96x = 181,637,888,259.69
  5. Step 5: Solve for x
    x = 181,637,888,259.69/617,052.96
  6. Step 6: Final answer
    x = 294,363.53

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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.