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Finding the Fourth Proportional to 504,222.31, 695,826.93 and 274,779.66

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Solution

The fourth proportional to 504,222.31, 695,826.93 and 274,779.66 is: 379,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,222.31 : 695,826.93 = 274,779.66 : x
  2. Step 2: Convert to fraction form
    504,222.31/695,826.93 = 274,779.66/x
  3. Step 3: Cross multiply
    504,222.31x = 695,826.93 × 274,779.66
  4. Step 4: Simplify right side
    504,222.31x = 191,199,086,197.17
  5. Step 5: Solve for x
    x = 191,199,086,197.17/504,222.31
  6. Step 6: Final answer
    x = 379,196.01

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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.