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Finding the Fourth Proportional to 403,416.93, 605,191.07 and 119,136.23

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Solution

The fourth proportional to 403,416.93, 605,191.07 and 119,136.23 is: 178,723.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,416.93 : 605,191.07 = 119,136.23 : x
  2. Step 2: Convert to fraction form
    403,416.93/605,191.07 = 119,136.23/x
  3. Step 3: Cross multiply
    403,416.93x = 605,191.07 × 119,136.23
  4. Step 4: Simplify right side
    403,416.93x = 72,100,182,050.82
  5. Step 5: Solve for x
    x = 72,100,182,050.82/403,416.93
  6. Step 6: Final answer
    x = 178,723.74

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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.