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Finding the Fourth Proportional to 546,526.45, 819,814.28 and 167,419.51

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Solution

The fourth proportional to 546,526.45, 819,814.28 and 167,419.51 is: 251,136.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,526.45 : 819,814.28 = 167,419.51 : x
  2. Step 2: Convert to fraction form
    546,526.45/819,814.28 = 167,419.51/x
  3. Step 3: Cross multiply
    546,526.45x = 819,814.28 × 167,419.51
  4. Step 4: Simplify right side
    546,526.45x = 137,252,905,048.60
  5. Step 5: Solve for x
    x = 137,252,905,048.60/546,526.45
  6. Step 6: Final answer
    x = 251,136.80

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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.