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Finding the Fourth Proportional to 302,865.62, 417,978.90 and 166,927.23

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Solution

The fourth proportional to 302,865.62, 417,978.90 and 166,927.23 is: 230,373.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,865.62 : 417,978.90 = 166,927.23 : x
  2. Step 2: Convert to fraction form
    302,865.62/417,978.90 = 166,927.23/x
  3. Step 3: Cross multiply
    302,865.62x = 417,978.90 × 166,927.23
  4. Step 4: Simplify right side
    302,865.62x = 69,772,059,975.45
  5. Step 5: Solve for x
    x = 69,772,059,975.45/302,865.62
  6. Step 6: Final answer
    x = 230,373.00

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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.