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Finding the Fourth Proportional to 271,567.60, 407,351.40 and 171,184.30

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Solution

The fourth proportional to 271,567.60, 407,351.40 and 171,184.30 is: 256,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,567.60 : 407,351.40 = 171,184.30 : x
  2. Step 2: Convert to fraction form
    271,567.60/407,351.40 = 171,184.30/x
  3. Step 3: Cross multiply
    271,567.60x = 407,351.40 × 171,184.30
  4. Step 4: Simplify right side
    271,567.60x = 69,732,164,263.02
  5. Step 5: Solve for x
    x = 69,732,164,263.02/271,567.60
  6. Step 6: Final answer
    x = 256,776.45

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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.