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Finding the Fourth Proportional to 887,593.60, 1,330,661.40 and 382,542.40

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Solution

The fourth proportional to 887,593.60, 1,330,661.40 and 382,542.40 is: 573,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,593.60 : 1,330,661.40 = 382,542.40 : x
  2. Step 2: Convert to fraction form
    887,593.60/1,330,661.40 = 382,542.40/x
  3. Step 3: Cross multiply
    887,593.60x = 1,330,661.40 × 382,542.40
  4. Step 4: Simplify right side
    887,593.60x = 509,034,405,543.36
  5. Step 5: Solve for x
    x = 509,034,405,543.36/887,593.60
  6. Step 6: Final answer
    x = 573,499.41

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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.