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Finding the Fourth Proportional to 586,676.88, 879,874.38 and 270,830.34

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Solution

The fourth proportional to 586,676.88, 879,874.38 and 270,830.34 is: 406,180.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,676.88 : 879,874.38 = 270,830.34 : x
  2. Step 2: Convert to fraction form
    586,676.88/879,874.38 = 270,830.34/x
  3. Step 3: Cross multiply
    586,676.88x = 879,874.38 × 270,830.34
  4. Step 4: Simplify right side
    586,676.88x = 238,296,677,492.69
  5. Step 5: Solve for x
    x = 238,296,677,492.69/586,676.88
  6. Step 6: Final answer
    x = 406,180.45

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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.