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Finding the Fourth Proportional to 331,567.60, 497,869.80 and 191,599.60

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Solution

The fourth proportional to 331,567.60, 497,869.80 and 191,599.60 is: 287,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,567.60 : 497,869.80 = 191,599.60 : x
  2. Step 2: Convert to fraction form
    331,567.60/497,869.80 = 191,599.60/x
  3. Step 3: Cross multiply
    331,567.60x = 497,869.80 × 191,599.60
  4. Step 4: Simplify right side
    331,567.60x = 95,391,654,532.08
  5. Step 5: Solve for x
    x = 95,391,654,532.08/331,567.60
  6. Step 6: Final answer
    x = 287,698.96

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1.5x scale

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.