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Finding the Fourth Proportional to 474,272.01, 654,478.80 and 270,388.59

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Solution

The fourth proportional to 474,272.01, 654,478.80 and 270,388.59 is: 373,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,272.01 : 654,478.80 = 270,388.59 : x
  2. Step 2: Convert to fraction form
    474,272.01/654,478.80 = 270,388.59/x
  3. Step 3: Cross multiply
    474,272.01x = 654,478.80 × 270,388.59
  4. Step 4: Simplify right side
    474,272.01x = 176,963,599,916.89
  5. Step 5: Solve for x
    x = 176,963,599,916.89/474,272.01
  6. Step 6: Final answer
    x = 373,126.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.