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Finding the Fourth Proportional to 319,539.40, 441,003.42 and 183,573.09

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Solution

The fourth proportional to 319,539.40, 441,003.42 and 183,573.09 is: 253,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,539.40 : 441,003.42 = 183,573.09 : x
  2. Step 2: Convert to fraction form
    319,539.40/441,003.42 = 183,573.09/x
  3. Step 3: Cross multiply
    319,539.40x = 441,003.42 × 183,573.09
  4. Step 4: Simplify right side
    319,539.40x = 80,956,360,509.97
  5. Step 5: Solve for x
    x = 80,956,360,509.97/319,539.40
  6. Step 6: Final answer
    x = 253,353.30

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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.