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Finding the Fourth Proportional to 854,649.62, 1,179,779.63 and 532,518.87

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Solution

The fourth proportional to 854,649.62, 1,179,779.63 and 532,518.87 is: 735,102.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,649.62 : 1,179,779.63 = 532,518.87 : x
  2. Step 2: Convert to fraction form
    854,649.62/1,179,779.63 = 532,518.87/x
  3. Step 3: Cross multiply
    854,649.62x = 1,179,779.63 × 532,518.87
  4. Step 4: Simplify right side
    854,649.62x = 628,254,915,416.62
  5. Step 5: Solve for x
    x = 628,254,915,416.62/854,649.62
  6. Step 6: Final answer
    x = 735,102.32

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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.