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Finding the Fourth Proportional to 406,284.60, 609,426.90 and 169,548.60

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Solution

The fourth proportional to 406,284.60, 609,426.90 and 169,548.60 is: 254,322.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,284.60 : 609,426.90 = 169,548.60 : x
  2. Step 2: Convert to fraction form
    406,284.60/609,426.90 = 169,548.60/x
  3. Step 3: Cross multiply
    406,284.60x = 609,426.90 × 169,548.60
  4. Step 4: Simplify right side
    406,284.60x = 103,327,477,697.34
  5. Step 5: Solve for x
    x = 103,327,477,697.34/406,284.60
  6. Step 6: Final answer
    x = 254,322.90

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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.