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Finding the Fourth Proportional to 708,032.56, 977,163.60 and 436,046.80

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Solution

The fourth proportional to 708,032.56, 977,163.60 and 436,046.80 is: 601,793.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,032.56 : 977,163.60 = 436,046.80 : x
  2. Step 2: Convert to fraction form
    708,032.56/977,163.60 = 436,046.80/x
  3. Step 3: Cross multiply
    708,032.56x = 977,163.60 × 436,046.80
  4. Step 4: Simplify right side
    708,032.56x = 426,089,060,856.48
  5. Step 5: Solve for x
    x = 426,089,060,856.48/708,032.56
  6. Step 6: Final answer
    x = 601,793.03

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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.