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Finding the Fourth Proportional to 457,987.52, 631,903.20 and 264,347.84

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Solution

The fourth proportional to 457,987.52, 631,903.20 and 264,347.84 is: 364,731.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,987.52 : 631,903.20 = 264,347.84 : x
  2. Step 2: Convert to fraction form
    457,987.52/631,903.20 = 264,347.84/x
  3. Step 3: Cross multiply
    457,987.52x = 631,903.20 × 264,347.84
  4. Step 4: Simplify right side
    457,987.52x = 167,042,246,009.09
  5. Step 5: Solve for x
    x = 167,042,246,009.09/457,987.52
  6. Step 6: Final answer
    x = 364,731.00

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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.