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Finding the Fourth Proportional to 591,611.83, 887,417.76 and 540,290.23

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Solution

The fourth proportional to 591,611.83, 887,417.76 and 540,290.23 is: 810,435.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,611.83 : 887,417.76 = 540,290.23 : x
  2. Step 2: Convert to fraction form
    591,611.83/887,417.76 = 540,290.23/x
  3. Step 3: Cross multiply
    591,611.83x = 887,417.76 × 540,290.23
  4. Step 4: Simplify right side
    591,611.83x = 479,463,145,656.49
  5. Step 5: Solve for x
    x = 479,463,145,656.49/591,611.83
  6. Step 6: Final answer
    x = 810,435.36

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Double scale
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Similar ratio
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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.