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Finding the Fourth Proportional to 586,652.88, 879,838.32 and 270,806.40

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Solution

The fourth proportional to 586,652.88, 879,838.32 and 270,806.40 is: 406,144.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,652.88 : 879,838.32 = 270,806.40 : x
  2. Step 2: Convert to fraction form
    586,652.88/879,838.32 = 270,806.40/x
  3. Step 3: Cross multiply
    586,652.88x = 879,838.32 × 270,806.40
  4. Step 4: Simplify right side
    586,652.88x = 238,265,848,021.25
  5. Step 5: Solve for x
    x = 238,265,848,021.25/586,652.88
  6. Step 6: Final answer
    x = 406,144.51

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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.