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Finding the Fourth Proportional to 994,492.80, 1,491,301.80 and 395,254.80

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Solution

The fourth proportional to 994,492.80, 1,491,301.80 and 395,254.80 is: 592,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,492.80 : 1,491,301.80 = 395,254.80 : x
  2. Step 2: Convert to fraction form
    994,492.80/1,491,301.80 = 395,254.80/x
  3. Step 3: Cross multiply
    994,492.80x = 1,491,301.80 × 395,254.80
  4. Step 4: Simplify right side
    994,492.80x = 589,444,194,698.64
  5. Step 5: Solve for x
    x = 589,444,194,698.64/994,492.80
  6. Step 6: Final answer
    x = 592,708.36

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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.