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Finding the Fourth Proportional to 545,814.20, 819,950.10 and 524,924.60

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Solution

The fourth proportional to 545,814.20, 819,950.10 and 524,924.60 is: 788,568.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,814.20 : 819,950.10 = 524,924.60 : x
  2. Step 2: Convert to fraction form
    545,814.20/819,950.10 = 524,924.60/x
  3. Step 3: Cross multiply
    545,814.20x = 819,950.10 × 524,924.60
  4. Step 4: Simplify right side
    545,814.20x = 430,411,978,262.46
  5. Step 5: Solve for x
    x = 430,411,978,262.46/545,814.20
  6. Step 6: Final answer
    x = 788,568.67

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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.