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Finding the Fourth Proportional to 306,215.39, 459,293.38 and 92,985.14

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Solution

The fourth proportional to 306,215.39, 459,293.38 and 92,985.14 is: 139,468.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,215.39 : 459,293.38 = 92,985.14 : x
  2. Step 2: Convert to fraction form
    306,215.39/459,293.38 = 92,985.14/x
  3. Step 3: Cross multiply
    306,215.39x = 459,293.38 × 92,985.14
  4. Step 4: Simplify right side
    306,215.39x = 42,707,458,775.45
  5. Step 5: Solve for x
    x = 42,707,458,775.45/306,215.39
  6. Step 6: Final answer
    x = 139,468.69

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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.