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Finding the Fourth Proportional to 406,381.41, 561,080.37 and 253,652.26

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Solution

The fourth proportional to 406,381.41, 561,080.37 and 253,652.26 is: 350,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,381.41 : 561,080.37 = 253,652.26 : x
  2. Step 2: Convert to fraction form
    406,381.41/561,080.37 = 253,652.26/x
  3. Step 3: Cross multiply
    406,381.41x = 561,080.37 × 253,652.26
  4. Step 4: Simplify right side
    406,381.41x = 142,319,303,892.14
  5. Step 5: Solve for x
    x = 142,319,303,892.14/406,381.41
  6. Step 6: Final answer
    x = 350,211.16

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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.