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Finding the Fourth Proportional to 406,411.24, 609,394.14 and 125,850.60

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Solution

The fourth proportional to 406,411.24, 609,394.14 and 125,850.60 is: 188,706.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,411.24 : 609,394.14 = 125,850.60 : x
  2. Step 2: Convert to fraction form
    406,411.24/609,394.14 = 125,850.60/x
  3. Step 3: Cross multiply
    406,411.24x = 609,394.14 × 125,850.60
  4. Step 4: Simplify right side
    406,411.24x = 76,692,618,155.48
  5. Step 5: Solve for x
    x = 76,692,618,155.48/406,411.24
  6. Step 6: Final answer
    x = 188,706.93

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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.