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Finding the Fourth Proportional to 572,266.96, 789,810.68 and 342,834.05

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Solution

The fourth proportional to 572,266.96, 789,810.68 and 342,834.05 is: 473,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,266.96 : 789,810.68 = 342,834.05 : x
  2. Step 2: Convert to fraction form
    572,266.96/789,810.68 = 342,834.05/x
  3. Step 3: Cross multiply
    572,266.96x = 789,810.68 × 342,834.05
  4. Step 4: Simplify right side
    572,266.96x = 270,773,996,989.27
  5. Step 5: Solve for x
    x = 270,773,996,989.27/572,266.96
  6. Step 6: Final answer
    x = 473,160.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.