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Finding the Fourth Proportional to 227,643.60, 341,465.40 and 156,784.80

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Solution

The fourth proportional to 227,643.60, 341,465.40 and 156,784.80 is: 235,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,643.60 : 341,465.40 = 156,784.80 : x
  2. Step 2: Convert to fraction form
    227,643.60/341,465.40 = 156,784.80/x
  3. Step 3: Cross multiply
    227,643.60x = 341,465.40 × 156,784.80
  4. Step 4: Simplify right side
    227,643.60x = 53,536,584,445.92
  5. Step 5: Solve for x
    x = 53,536,584,445.92/227,643.60
  6. Step 6: Final answer
    x = 235,177.20

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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.