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Finding the Fourth Proportional to 302,622.52, 417,611.50 and 166,655.40

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Solution

The fourth proportional to 302,622.52, 417,611.50 and 166,655.40 is: 229,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,622.52 : 417,611.50 = 166,655.40 : x
  2. Step 2: Convert to fraction form
    302,622.52/417,611.50 = 166,655.40/x
  3. Step 3: Cross multiply
    302,622.52x = 417,611.50 × 166,655.40
  4. Step 4: Simplify right side
    302,622.52x = 69,597,211,577.10
  5. Step 5: Solve for x
    x = 69,597,211,577.10/302,622.52
  6. Step 6: Final answer
    x = 229,980.28

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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.