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Finding the Fourth Proportional to 935,558.80, 1,400,713.80 and 909,314.80

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Solution

The fourth proportional to 935,558.80, 1,400,713.80 and 909,314.80 is: 1,361,421.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,558.80 : 1,400,713.80 = 909,314.80 : x
  2. Step 2: Convert to fraction form
    935,558.80/1,400,713.80 = 909,314.80/x
  3. Step 3: Cross multiply
    935,558.80x = 1,400,713.80 × 909,314.80
  4. Step 4: Simplify right side
    935,558.80x = 1,273,689,788,904.24
  5. Step 5: Solve for x
    x = 1,273,689,788,904.24/935,558.80
  6. Step 6: Final answer
    x = 1,361,421.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.