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Finding the Fourth Proportional to 406,477.05, 560,905.38 and 225,196.62

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Solution

The fourth proportional to 406,477.05, 560,905.38 and 225,196.62 is: 310,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,477.05 : 560,905.38 = 225,196.62 : x
  2. Step 2: Convert to fraction form
    406,477.05/560,905.38 = 225,196.62/x
  3. Step 3: Cross multiply
    406,477.05x = 560,905.38 × 225,196.62
  4. Step 4: Simplify right side
    406,477.05x = 126,313,995,715.82
  5. Step 5: Solve for x
    x = 126,313,995,715.82/406,477.05
  6. Step 6: Final answer
    x = 310,753.08

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1.5x scale

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.