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Finding the Fourth Proportional to 527,598.86, 728,099.87 and 323,762.36

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Solution

The fourth proportional to 527,598.86, 728,099.87 and 323,762.36 is: 446,800.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,598.86 : 728,099.87 = 323,762.36 : x
  2. Step 2: Convert to fraction form
    527,598.86/728,099.87 = 323,762.36/x
  3. Step 3: Cross multiply
    527,598.86x = 728,099.87 × 323,762.36
  4. Step 4: Simplify right side
    527,598.86x = 235,731,329,395.80
  5. Step 5: Solve for x
    x = 235,731,329,395.80/527,598.86
  6. Step 6: Final answer
    x = 446,800.31

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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.