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Finding the Fourth Proportional to 543,169.70, 749,582.40 and 301,467.93

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Solution

The fourth proportional to 543,169.70, 749,582.40 and 301,467.93 is: 416,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,169.70 : 749,582.40 = 301,467.93 : x
  2. Step 2: Convert to fraction form
    543,169.70/749,582.40 = 301,467.93/x
  3. Step 3: Cross multiply
    543,169.70x = 749,582.40 × 301,467.93
  4. Step 4: Simplify right side
    543,169.70x = 225,975,052,812.00
  5. Step 5: Solve for x
    x = 225,975,052,812.00/543,169.70
  6. Step 6: Final answer
    x = 416,030.30

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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.