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Finding the Fourth Proportional to 345,390.98, 473,187.29 and 332,447.36

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Solution

The fourth proportional to 345,390.98, 473,187.29 and 332,447.36 is: 455,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,390.98 : 473,187.29 = 332,447.36 : x
  2. Step 2: Convert to fraction form
    345,390.98/473,187.29 = 332,447.36/x
  3. Step 3: Cross multiply
    345,390.98x = 473,187.29 × 332,447.36
  4. Step 4: Simplify right side
    345,390.98x = 157,309,861,317.88
  5. Step 5: Solve for x
    x = 157,309,861,317.88/345,390.98
  6. Step 6: Final answer
    x = 455,454.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.