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Finding the Fourth Proportional to 292,174.63, 438,964.27 and 276,044.60

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Solution

The fourth proportional to 292,174.63, 438,964.27 and 276,044.60 is: 414,730.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,174.63 : 438,964.27 = 276,044.60 : x
  2. Step 2: Convert to fraction form
    292,174.63/438,964.27 = 276,044.60/x
  3. Step 3: Cross multiply
    292,174.63x = 438,964.27 × 276,044.60
  4. Step 4: Simplify right side
    292,174.63x = 121,173,712,751.40
  5. Step 5: Solve for x
    x = 121,173,712,751.40/292,174.63
  6. Step 6: Final answer
    x = 414,730.44

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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.