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Finding the Fourth Proportional to 302,592.30, 417,580.50 and 166,638.90

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Solution

The fourth proportional to 302,592.30, 417,580.50 and 166,638.90 is: 229,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,592.30 : 417,580.50 = 166,638.90 : x
  2. Step 2: Convert to fraction form
    302,592.30/417,580.50 = 166,638.90/x
  3. Step 3: Cross multiply
    302,592.30x = 417,580.50 × 166,638.90
  4. Step 4: Simplify right side
    302,592.30x = 69,585,155,181.45
  5. Step 5: Solve for x
    x = 69,585,155,181.45/302,592.30
  6. Step 6: Final answer
    x = 229,963.40

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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.