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Finding the Fourth Proportional to 325,312.96, 488,016.08 and 100,693.12

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Solution

The fourth proportional to 325,312.96, 488,016.08 and 100,693.12 is: 151,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,312.96 : 488,016.08 = 100,693.12 : x
  2. Step 2: Convert to fraction form
    325,312.96/488,016.08 = 100,693.12/x
  3. Step 3: Cross multiply
    325,312.96x = 488,016.08 × 100,693.12
  4. Step 4: Simplify right side
    325,312.96x = 49,139,861,705.37
  5. Step 5: Solve for x
    x = 49,139,861,705.37/325,312.96
  6. Step 6: Final answer
    x = 151,054.12

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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.