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Finding the Fourth Proportional to 411,069.39, 616,230.39 and 158,188.62

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Solution

The fourth proportional to 411,069.39, 616,230.39 and 158,188.62 is: 237,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,069.39 : 616,230.39 = 158,188.62 : x
  2. Step 2: Convert to fraction form
    411,069.39/616,230.39 = 158,188.62/x
  3. Step 3: Cross multiply
    411,069.39x = 616,230.39 × 158,188.62
  4. Step 4: Simplify right side
    411,069.39x = 97,480,634,996.16
  5. Step 5: Solve for x
    x = 97,480,634,996.16/411,069.39
  6. Step 6: Final answer
    x = 237,139.12

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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.