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Finding the Fourth Proportional to 354,011.64, 530,741.04 and 241,412.76

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Solution

The fourth proportional to 354,011.64, 530,741.04 and 241,412.76 is: 361,930.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,011.64 : 530,741.04 = 241,412.76 : x
  2. Step 2: Convert to fraction form
    354,011.64/530,741.04 = 241,412.76/x
  3. Step 3: Cross multiply
    354,011.64x = 530,741.04 × 241,412.76
  4. Step 4: Simplify right side
    354,011.64x = 128,127,659,311.67
  5. Step 5: Solve for x
    x = 128,127,659,311.67/354,011.64
  6. Step 6: Final answer
    x = 361,930.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.