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Finding the Fourth Proportional to 271,875.60, 407,813.40 and 192,159.45

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Solution

The fourth proportional to 271,875.60, 407,813.40 and 192,159.45 is: 288,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,875.60 : 407,813.40 = 192,159.45 : x
  2. Step 2: Convert to fraction form
    271,875.60/407,813.40 = 192,159.45/x
  3. Step 3: Cross multiply
    271,875.60x = 407,813.40 × 192,159.45
  4. Step 4: Simplify right side
    271,875.60x = 78,365,198,646.63
  5. Step 5: Solve for x
    x = 78,365,198,646.63/271,875.60
  6. Step 6: Final answer
    x = 288,239.18

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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.