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Finding the Fourth Proportional to 319,603.47, 441,050.01 and 174,412.13

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Solution

The fourth proportional to 319,603.47, 441,050.01 and 174,412.13 is: 240,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,603.47 : 441,050.01 = 174,412.13 : x
  2. Step 2: Convert to fraction form
    319,603.47/441,050.01 = 174,412.13/x
  3. Step 3: Cross multiply
    319,603.47x = 441,050.01 × 174,412.13
  4. Step 4: Simplify right side
    319,603.47x = 76,924,469,475.37
  5. Step 5: Solve for x
    x = 76,924,469,475.37/319,603.47
  6. Step 6: Final answer
    x = 240,687.22

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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.