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Finding the Fourth Proportional to 586,720.88, 879,940.36 and 270,874.36

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Solution

The fourth proportional to 586,720.88, 879,940.36 and 270,874.36 is: 406,246.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,720.88 : 879,940.36 = 270,874.36 : x
  2. Step 2: Convert to fraction form
    586,720.88/879,940.36 = 270,874.36/x
  3. Step 3: Cross multiply
    586,720.88x = 879,940.36 × 270,874.36
  4. Step 4: Simplify right side
    586,720.88x = 238,353,281,853.17
  5. Step 5: Solve for x
    x = 238,353,281,853.17/586,720.88
  6. Step 6: Final answer
    x = 406,246.46

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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.