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Finding the Fourth Proportional to 618,544.14, 853,611.75 and 590,200.62

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Solution

The fourth proportional to 618,544.14, 853,611.75 and 590,200.62 is: 814,496.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,544.14 : 853,611.75 = 590,200.62 : x
  2. Step 2: Convert to fraction form
    618,544.14/853,611.75 = 590,200.62/x
  3. Step 3: Cross multiply
    618,544.14x = 853,611.75 × 590,200.62
  4. Step 4: Simplify right side
    618,544.14x = 503,802,184,089.29
  5. Step 5: Solve for x
    x = 503,802,184,089.29/618,544.14
  6. Step 6: Final answer
    x = 814,496.74

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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.