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Finding the Fourth Proportional to 550,290.89, 825,492.90 and 190,461.04

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Solution

The fourth proportional to 550,290.89, 825,492.90 and 190,461.04 is: 285,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,290.89 : 825,492.90 = 190,461.04 : x
  2. Step 2: Convert to fraction form
    550,290.89/825,492.90 = 190,461.04/x
  3. Step 3: Cross multiply
    550,290.89x = 825,492.90 × 190,461.04
  4. Step 4: Simplify right side
    550,290.89x = 157,224,236,246.62
  5. Step 5: Solve for x
    x = 157,224,236,246.62/550,290.89
  6. Step 6: Final answer
    x = 285,711.14

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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.