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Finding the Fourth Proportional to 837,543.85, 1,156,015.79 and 475,179.82

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Solution

The fourth proportional to 837,543.85, 1,156,015.79 and 475,179.82 is: 655,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,543.85 : 1,156,015.79 = 475,179.82 : x
  2. Step 2: Convert to fraction form
    837,543.85/1,156,015.79 = 475,179.82/x
  3. Step 3: Cross multiply
    837,543.85x = 1,156,015.79 × 475,179.82
  4. Step 4: Simplify right side
    837,543.85x = 549,315,375,009.36
  5. Step 5: Solve for x
    x = 549,315,375,009.36/837,543.85
  6. Step 6: Final answer
    x = 655,864.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.