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Finding the Fourth Proportional to 577,206.60, 866,976.30 and 557,377.80

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Solution

The fourth proportional to 577,206.60, 866,976.30 and 557,377.80 is: 837,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,206.60 : 866,976.30 = 557,377.80 : x
  2. Step 2: Convert to fraction form
    577,206.60/866,976.30 = 557,377.80/x
  3. Step 3: Cross multiply
    577,206.60x = 866,976.30 × 557,377.80
  4. Step 4: Simplify right side
    577,206.60x = 483,233,342,746.14
  5. Step 5: Solve for x
    x = 483,233,342,746.14/577,206.60
  6. Step 6: Final answer
    x = 837,193.03

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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.