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Finding the Fourth Proportional to 305,980.08, 458,970.03 and 95,618.04

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Solution

The fourth proportional to 305,980.08, 458,970.03 and 95,618.04 is: 143,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,980.08 : 458,970.03 = 95,618.04 : x
  2. Step 2: Convert to fraction form
    305,980.08/458,970.03 = 95,618.04/x
  3. Step 3: Cross multiply
    305,980.08x = 458,970.03 × 95,618.04
  4. Step 4: Simplify right side
    305,980.08x = 43,885,814,687.34
  5. Step 5: Solve for x
    x = 43,885,814,687.34/305,980.08
  6. Step 6: Final answer
    x = 143,427.03

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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.