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Finding the Fourth Proportional to 616,803.48, 925,008.30 and 195,980.94

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Solution

The fourth proportional to 616,803.48, 925,008.30 and 195,980.94 is: 293,908.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,803.48 : 925,008.30 = 195,980.94 : x
  2. Step 2: Convert to fraction form
    616,803.48/925,008.30 = 195,980.94/x
  3. Step 3: Cross multiply
    616,803.48x = 925,008.30 × 195,980.94
  4. Step 4: Simplify right side
    616,803.48x = 181,283,996,141.80
  5. Step 5: Solve for x
    x = 181,283,996,141.80/616,803.48
  6. Step 6: Final answer
    x = 293,908.84

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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.