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Finding the Fourth Proportional to 446,999.40, 671,276.70 and 237,047.40

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Solution

The fourth proportional to 446,999.40, 671,276.70 and 237,047.40 is: 355,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,999.40 : 671,276.70 = 237,047.40 : x
  2. Step 2: Convert to fraction form
    446,999.40/671,276.70 = 237,047.40/x
  3. Step 3: Cross multiply
    446,999.40x = 671,276.70 × 237,047.40
  4. Step 4: Simplify right side
    446,999.40x = 159,124,396,415.58
  5. Step 5: Solve for x
    x = 159,124,396,415.58/446,999.40
  6. Step 6: Final answer
    x = 355,983.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.