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Finding the Fourth Proportional to 497,030.21, 745,545.30 and 123,053.21

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Solution

The fourth proportional to 497,030.21, 745,545.30 and 123,053.21 is: 184,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,030.21 : 745,545.30 = 123,053.21 : x
  2. Step 2: Convert to fraction form
    497,030.21/745,545.30 = 123,053.21/x
  3. Step 3: Cross multiply
    497,030.21x = 745,545.30 × 123,053.21
  4. Step 4: Simplify right side
    497,030.21x = 91,741,742,365.41
  5. Step 5: Solve for x
    x = 91,741,742,365.41/497,030.21
  6. Step 6: Final answer
    x = 184,579.81

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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.