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Finding the Fourth Proportional to 592,779.33, 818,037.95 and 320,847.12

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Solution

The fourth proportional to 592,779.33, 818,037.95 and 320,847.12 is: 442,770.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,779.33 : 818,037.95 = 320,847.12 : x
  2. Step 2: Convert to fraction form
    592,779.33/818,037.95 = 320,847.12/x
  3. Step 3: Cross multiply
    592,779.33x = 818,037.95 × 320,847.12
  4. Step 4: Simplify right side
    592,779.33x = 262,465,118,703.97
  5. Step 5: Solve for x
    x = 262,465,118,703.97/592,779.33
  6. Step 6: Final answer
    x = 442,770.36

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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.