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Finding the Fourth Proportional to 319,707.88, 441,207.60 and 174,522.28

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Solution

The fourth proportional to 319,707.88, 441,207.60 and 174,522.28 is: 240,846.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,707.88 : 441,207.60 = 174,522.28 : x
  2. Step 2: Convert to fraction form
    319,707.88/441,207.60 = 174,522.28/x
  3. Step 3: Cross multiply
    319,707.88x = 441,207.60 × 174,522.28
  4. Step 4: Simplify right side
    319,707.88x = 77,000,556,305.33
  5. Step 5: Solve for x
    x = 77,000,556,305.33/319,707.88
  6. Step 6: Final answer
    x = 240,846.60

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1.5x scale

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.