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Finding the Fourth Proportional to 837,587.82, 1,256,521.86 and 657,666

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Solution

The fourth proportional to 837,587.82, 1,256,521.86 and 657,666 is: 986,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,587.82 : 1,256,521.86 = 657,666 : x
  2. Step 2: Convert to fraction form
    837,587.82/1,256,521.86 = 657,666/x
  3. Step 3: Cross multiply
    837,587.82x = 1,256,521.86 × 657,666
  4. Step 4: Simplify right side
    837,587.82x = 826,371,705,578.76
  5. Step 5: Solve for x
    x = 826,371,705,578.76/837,587.82
  6. Step 6: Final answer
    x = 986,609.03

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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.