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Finding the Fourth Proportional to 497,030.30, 745,545.45 and 123,053.30

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Solution

The fourth proportional to 497,030.30, 745,545.45 and 123,053.30 is: 184,579.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,030.30 : 745,545.45 = 123,053.30 : x
  2. Step 2: Convert to fraction form
    497,030.30/745,545.45 = 123,053.30/x
  3. Step 3: Cross multiply
    497,030.30x = 745,545.45 × 123,053.30
  4. Step 4: Simplify right side
    497,030.30x = 91,741,827,922.49
  5. Step 5: Solve for x
    x = 91,741,827,922.49/497,030.30
  6. Step 6: Final answer
    x = 184,579.95

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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.