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Finding the Fourth Proportional to 935,779.88, 1,291,379.19 and 506,063

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Solution

The fourth proportional to 935,779.88, 1,291,379.19 and 506,063 is: 698,368.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,779.88 : 1,291,379.19 = 506,063 : x
  2. Step 2: Convert to fraction form
    935,779.88/1,291,379.19 = 506,063/x
  3. Step 3: Cross multiply
    935,779.88x = 1,291,379.19 × 506,063
  4. Step 4: Simplify right side
    935,779.88x = 653,519,227,028.97
  5. Step 5: Solve for x
    x = 653,519,227,028.97/935,779.88
  6. Step 6: Final answer
    x = 698,368.54

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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.