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Finding the Fourth Proportional to 301,672.18, 416,449.11 and 174,322.90

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Solution

The fourth proportional to 301,672.18, 416,449.11 and 174,322.90 is: 240,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,672.18 : 416,449.11 = 174,322.90 : x
  2. Step 2: Convert to fraction form
    301,672.18/416,449.11 = 174,322.90/x
  3. Step 3: Cross multiply
    301,672.18x = 416,449.11 × 174,322.90
  4. Step 4: Simplify right side
    301,672.18x = 72,596,616,557.62
  5. Step 5: Solve for x
    x = 72,596,616,557.62/301,672.18
  6. Step 6: Final answer
    x = 240,647.37

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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.