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Finding the Fourth Proportional to 363,574.88, 545,389.66 and 97,329.50

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Solution

The fourth proportional to 363,574.88, 545,389.66 and 97,329.50 is: 146,001.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,574.88 : 545,389.66 = 97,329.50 : x
  2. Step 2: Convert to fraction form
    363,574.88/545,389.66 = 97,329.50/x
  3. Step 3: Cross multiply
    363,574.88x = 545,389.66 × 97,329.50
  4. Step 4: Simplify right side
    363,574.88x = 53,082,502,912.97
  5. Step 5: Solve for x
    x = 53,082,502,912.97/363,574.88
  6. Step 6: Final answer
    x = 146,001.57

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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.