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Finding the Fourth Proportional to 497,007.56, 745,511.34 and 123,030.56

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Solution

The fourth proportional to 497,007.56, 745,511.34 and 123,030.56 is: 184,545.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,007.56 : 745,511.34 = 123,030.56 : x
  2. Step 2: Convert to fraction form
    497,007.56/745,511.34 = 123,030.56/x
  3. Step 3: Cross multiply
    497,007.56x = 745,511.34 × 123,030.56
  4. Step 4: Simplify right side
    497,007.56x = 91,720,679,971.69
  5. Step 5: Solve for x
    x = 91,720,679,971.69/497,007.56
  6. Step 6: Final answer
    x = 184,545.84

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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.