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Finding the Fourth Proportional to 353,955.60, 530,933.40 and 104,637.60

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Solution

The fourth proportional to 353,955.60, 530,933.40 and 104,637.60 is: 156,956.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,955.60 : 530,933.40 = 104,637.60 : x
  2. Step 2: Convert to fraction form
    353,955.60/530,933.40 = 104,637.60/x
  3. Step 3: Cross multiply
    353,955.60x = 530,933.40 × 104,637.60
  4. Step 4: Simplify right side
    353,955.60x = 55,555,596,735.84
  5. Step 5: Solve for x
    x = 55,555,596,735.84/353,955.60
  6. Step 6: Final answer
    x = 156,956.40

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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.