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Finding the Fourth Proportional to 270,856.16, 406,279.92 and 73,864.16

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Solution

The fourth proportional to 270,856.16, 406,279.92 and 73,864.16 is: 110,795.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,856.16 : 406,279.92 = 73,864.16 : x
  2. Step 2: Convert to fraction form
    270,856.16/406,279.92 = 73,864.16/x
  3. Step 3: Cross multiply
    270,856.16x = 406,279.92 × 73,864.16
  4. Step 4: Simplify right side
    270,856.16x = 30,009,525,015.67
  5. Step 5: Solve for x
    x = 30,009,525,015.67/270,856.16
  6. Step 6: Final answer
    x = 110,795.06

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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.