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Finding the Fourth Proportional to 406,581.06, 561,094.16 and 225,276.03

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Solution

The fourth proportional to 406,581.06, 561,094.16 and 225,276.03 is: 310,887.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,581.06 : 561,094.16 = 225,276.03 : x
  2. Step 2: Convert to fraction form
    406,581.06/561,094.16 = 225,276.03/x
  3. Step 3: Cross multiply
    406,581.06x = 561,094.16 × 225,276.03
  4. Step 4: Simplify right side
    406,581.06x = 126,401,065,384.18
  5. Step 5: Solve for x
    x = 126,401,065,384.18/406,581.06
  6. Step 6: Final answer
    x = 310,887.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.