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Finding the Fourth Proportional to 586,244.86, 879,431.01 and 186,791.74

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Solution

The fourth proportional to 586,244.86, 879,431.01 and 186,791.74 is: 280,207.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,244.86 : 879,431.01 = 186,791.74 : x
  2. Step 2: Convert to fraction form
    586,244.86/879,431.01 = 186,791.74/x
  3. Step 3: Cross multiply
    586,244.86x = 879,431.01 × 186,791.74
  4. Step 4: Simplify right side
    586,244.86x = 164,270,448,567.86
  5. Step 5: Solve for x
    x = 164,270,448,567.86/586,244.86
  6. Step 6: Final answer
    x = 280,207.91

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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.