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Finding the Fourth Proportional to 609,985.16, 841,779.50 and 338,093.92

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Solution

The fourth proportional to 609,985.16, 841,779.50 and 338,093.92 is: 466,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,985.16 : 841,779.50 = 338,093.92 : x
  2. Step 2: Convert to fraction form
    609,985.16/841,779.50 = 338,093.92/x
  3. Step 3: Cross multiply
    609,985.16x = 841,779.50 × 338,093.92
  4. Step 4: Simplify right side
    609,985.16x = 284,600,530,930.64
  5. Step 5: Solve for x
    x = 284,600,530,930.64/609,985.16
  6. Step 6: Final answer
    x = 466,569.60

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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.