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Finding the Fourth Proportional to 543,976.41, 750,673.81 and 302,259.61

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Solution

The fourth proportional to 543,976.41, 750,673.81 and 302,259.61 is: 417,110.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,976.41 : 750,673.81 = 302,259.61 : x
  2. Step 2: Convert to fraction form
    543,976.41/750,673.81 = 302,259.61/x
  3. Step 3: Cross multiply
    543,976.41x = 750,673.81 × 302,259.61
  4. Step 4: Simplify right side
    543,976.41x = 226,898,373,047.81
  5. Step 5: Solve for x
    x = 226,898,373,047.81/543,976.41
  6. Step 6: Final answer
    x = 417,110.69

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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.