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Finding the Fourth Proportional to 406,168.56, 559,510.20 and 345,544.92

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Solution

The fourth proportional to 406,168.56, 559,510.20 and 345,544.92 is: 475,999.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,168.56 : 559,510.20 = 345,544.92 : x
  2. Step 2: Convert to fraction form
    406,168.56/559,510.20 = 345,544.92/x
  3. Step 3: Cross multiply
    406,168.56x = 559,510.20 × 345,544.92
  4. Step 4: Simplify right side
    406,168.56x = 193,335,907,298.18
  5. Step 5: Solve for x
    x = 193,335,907,298.18/406,168.56
  6. Step 6: Final answer
    x = 475,999.19

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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.