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Finding the Fourth Proportional to 586,436.55, 879,724.07 and 186,937.26

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Solution

The fourth proportional to 586,436.55, 879,724.07 and 186,937.26 is: 280,427.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,436.55 : 879,724.07 = 186,937.26 : x
  2. Step 2: Convert to fraction form
    586,436.55/879,724.07 = 186,937.26/x
  3. Step 3: Cross multiply
    586,436.55x = 879,724.07 × 186,937.26
  4. Step 4: Simplify right side
    586,436.55x = 164,453,207,201.85
  5. Step 5: Solve for x
    x = 164,453,207,201.85/586,436.55
  6. Step 6: Final answer
    x = 280,427.96

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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.