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Finding the Fourth Proportional to 586,244.61, 879,430.64 and 186,791.49

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Solution

The fourth proportional to 586,244.61, 879,430.64 and 186,791.49 is: 280,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,244.61 : 879,430.64 = 186,791.49 : x
  2. Step 2: Convert to fraction form
    586,244.61/879,430.64 = 186,791.49/x
  3. Step 3: Cross multiply
    586,244.61x = 879,430.64 × 186,791.49
  4. Step 4: Simplify right side
    586,244.61x = 164,270,158,663.30
  5. Step 5: Solve for x
    x = 164,270,158,663.30/586,244.61
  6. Step 6: Final answer
    x = 280,207.54

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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.