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Finding the Fourth Proportional to 604,818.12, 834,633.60 and 329,164.32

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Solution

The fourth proportional to 604,818.12, 834,633.60 and 329,164.32 is: 454,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,818.12 : 834,633.60 = 329,164.32 : x
  2. Step 2: Convert to fraction form
    604,818.12/834,633.60 = 329,164.32/x
  3. Step 3: Cross multiply
    604,818.12x = 834,633.60 × 329,164.32
  4. Step 4: Simplify right side
    604,818.12x = 274,731,601,393.15
  5. Step 5: Solve for x
    x = 274,731,601,393.15/604,818.12
  6. Step 6: Final answer
    x = 454,238.38

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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.