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Finding the Fourth Proportional to 609,544.40, 914,345.40 and 189,114.80

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Solution

The fourth proportional to 609,544.40, 914,345.40 and 189,114.80 is: 283,681.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,544.40 : 914,345.40 = 189,114.80 : x
  2. Step 2: Convert to fraction form
    609,544.40/914,345.40 = 189,114.80/x
  3. Step 3: Cross multiply
    609,544.40x = 914,345.40 × 189,114.80
  4. Step 4: Simplify right side
    609,544.40x = 172,916,247,451.92
  5. Step 5: Solve for x
    x = 172,916,247,451.92/609,544.40
  6. Step 6: Final answer
    x = 283,681.14

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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.