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Finding the Fourth Proportional to 341,437.80, 512,156.70 and 235,149.60

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Solution

The fourth proportional to 341,437.80, 512,156.70 and 235,149.60 is: 352,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,437.80 : 512,156.70 = 235,149.60 : x
  2. Step 2: Convert to fraction form
    341,437.80/512,156.70 = 235,149.60/x
  3. Step 3: Cross multiply
    341,437.80x = 512,156.70 × 235,149.60
  4. Step 4: Simplify right side
    341,437.80x = 120,433,443,142.32
  5. Step 5: Solve for x
    x = 120,433,443,142.32/341,437.80
  6. Step 6: Final answer
    x = 352,724.40

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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.