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Finding the Fourth Proportional to 363,434.02, 501,485.10 and 218,209.12

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Solution

The fourth proportional to 363,434.02, 501,485.10 and 218,209.12 is: 301,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,434.02 : 501,485.10 = 218,209.12 : x
  2. Step 2: Convert to fraction form
    363,434.02/501,485.10 = 218,209.12/x
  3. Step 3: Cross multiply
    363,434.02x = 501,485.10 × 218,209.12
  4. Step 4: Simplify right side
    363,434.02x = 109,428,622,364.11
  5. Step 5: Solve for x
    x = 109,428,622,364.11/363,434.02
  6. Step 6: Final answer
    x = 301,096.26

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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.