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Finding the Fourth Proportional to 586,242.36, 879,427.26 and 186,789.24

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Solution

The fourth proportional to 586,242.36, 879,427.26 and 186,789.24 is: 280,204.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,242.36 : 879,427.26 = 186,789.24 : x
  2. Step 2: Convert to fraction form
    586,242.36/879,427.26 = 186,789.24/x
  3. Step 3: Cross multiply
    586,242.36x = 879,427.26 × 186,789.24
  4. Step 4: Simplify right side
    586,242.36x = 164,267,549,530.68
  5. Step 5: Solve for x
    x = 164,267,549,530.68/586,242.36
  6. Step 6: Final answer
    x = 280,204.16

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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.