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Finding the Fourth Proportional to 786,559.44, 1,174,503.66 and 624,820

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Solution

The fourth proportional to 786,559.44, 1,174,503.66 and 624,820 is: 932,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,559.44 : 1,174,503.66 = 624,820 : x
  2. Step 2: Convert to fraction form
    786,559.44/1,174,503.66 = 624,820/x
  3. Step 3: Cross multiply
    786,559.44x = 1,174,503.66 × 624,820
  4. Step 4: Simplify right side
    786,559.44x = 733,853,376,841.20
  5. Step 5: Solve for x
    x = 733,853,376,841.20/786,559.44
  6. Step 6: Final answer
    x = 932,991.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.