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Finding the Fourth Proportional to 301,366.48, 415,888.20 and 167,232.72

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Solution

The fourth proportional to 301,366.48, 415,888.20 and 167,232.72 is: 230,782.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,366.48 : 415,888.20 = 167,232.72 : x
  2. Step 2: Convert to fraction form
    301,366.48/415,888.20 = 167,232.72/x
  3. Step 3: Cross multiply
    301,366.48x = 415,888.20 × 167,232.72
  4. Step 4: Simplify right side
    301,366.48x = 69,550,114,901.90
  5. Step 5: Solve for x
    x = 69,550,114,901.90/301,366.48
  6. Step 6: Final answer
    x = 230,782.52

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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.