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Finding the Fourth Proportional to 543,225.65, 749,645.97 and 301,502.01

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Solution

The fourth proportional to 543,225.65, 749,645.97 and 301,502.01 is: 416,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,225.65 : 749,645.97 = 301,502.01 : x
  2. Step 2: Convert to fraction form
    543,225.65/749,645.97 = 301,502.01/x
  3. Step 3: Cross multiply
    543,225.65x = 749,645.97 × 301,502.01
  4. Step 4: Simplify right side
    543,225.65x = 226,019,766,743.40
  5. Step 5: Solve for x
    x = 226,019,766,743.40/543,225.65
  6. Step 6: Final answer
    x = 416,069.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.