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Finding the Fourth Proportional to 597,430.40, 896,145.60 and 551,811.20

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Solution

The fourth proportional to 597,430.40, 896,145.60 and 551,811.20 is: 827,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,430.40 : 896,145.60 = 551,811.20 : x
  2. Step 2: Convert to fraction form
    597,430.40/896,145.60 = 551,811.20/x
  3. Step 3: Cross multiply
    597,430.40x = 896,145.60 × 551,811.20
  4. Step 4: Simplify right side
    597,430.40x = 494,503,178,910.72
  5. Step 5: Solve for x
    x = 494,503,178,910.72/597,430.40
  6. Step 6: Final answer
    x = 827,716.80

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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.