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Finding the Fourth Proportional to 854,756.52, 1,179,484.84 and 472,775.08

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Solution

The fourth proportional to 854,756.52, 1,179,484.84 and 472,775.08 is: 652,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,756.52 : 1,179,484.84 = 472,775.08 : x
  2. Step 2: Convert to fraction form
    854,756.52/1,179,484.84 = 472,775.08/x
  3. Step 3: Cross multiply
    854,756.52x = 1,179,484.84 × 472,775.08
  4. Step 4: Simplify right side
    854,756.52x = 557,631,039,589.79
  5. Step 5: Solve for x
    x = 557,631,039,589.79/854,756.52
  6. Step 6: Final answer
    x = 652,385.83

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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.