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Finding the Fourth Proportional to 595,814.80, 893,722.20 and 343,872.40

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Solution

The fourth proportional to 595,814.80, 893,722.20 and 343,872.40 is: 515,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,814.80 : 893,722.20 = 343,872.40 : x
  2. Step 2: Convert to fraction form
    595,814.80/893,722.20 = 343,872.40/x
  3. Step 3: Cross multiply
    595,814.80x = 893,722.20 × 343,872.40
  4. Step 4: Simplify right side
    595,814.80x = 307,326,397,847.28
  5. Step 5: Solve for x
    x = 307,326,397,847.28/595,814.80
  6. Step 6: Final answer
    x = 515,808.60

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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.