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Finding the Fourth Proportional to 353,903.60, 530,855.40 and 241,929.20

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Solution

The fourth proportional to 353,903.60, 530,855.40 and 241,929.20 is: 362,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,903.60 : 530,855.40 = 241,929.20 : x
  2. Step 2: Convert to fraction form
    353,903.60/530,855.40 = 241,929.20/x
  3. Step 3: Cross multiply
    353,903.60x = 530,855.40 × 241,929.20
  4. Step 4: Simplify right side
    353,903.60x = 128,429,422,237.68
  5. Step 5: Solve for x
    x = 128,429,422,237.68/353,903.60
  6. Step 6: Final answer
    x = 362,893.80

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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.