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Finding the Fourth Proportional to 474,036.16, 654,213.45 and 270,114.79

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Solution

The fourth proportional to 474,036.16, 654,213.45 and 270,114.79 is: 372,783.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,036.16 : 654,213.45 = 270,114.79 : x
  2. Step 2: Convert to fraction form
    474,036.16/654,213.45 = 270,114.79/x
  3. Step 3: Cross multiply
    474,036.16x = 654,213.45 × 270,114.79
  4. Step 4: Simplify right side
    474,036.16x = 176,712,728,661.93
  5. Step 5: Solve for x
    x = 176,712,728,661.93/474,036.16
  6. Step 6: Final answer
    x = 372,783.23

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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.