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Finding the Fourth Proportional to 355,037.60, 531,681.60 and 236,064.80

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Solution

The fourth proportional to 355,037.60, 531,681.60 and 236,064.80 is: 353,515.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,037.60 : 531,681.60 = 236,064.80 : x
  2. Step 2: Convert to fraction form
    355,037.60/531,681.60 = 236,064.80/x
  3. Step 3: Cross multiply
    355,037.60x = 531,681.60 × 236,064.80
  4. Step 4: Simplify right side
    355,037.60x = 125,511,310,567.68
  5. Step 5: Solve for x
    x = 125,511,310,567.68/355,037.60
  6. Step 6: Final answer
    x = 353,515.54

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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.