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Finding the Fourth Proportional to 536,532.87, 740,415.15 and 294,831.03

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Solution

The fourth proportional to 536,532.87, 740,415.15 and 294,831.03 is: 406,866.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,532.87 : 740,415.15 = 294,831.03 : x
  2. Step 2: Convert to fraction form
    536,532.87/740,415.15 = 294,831.03/x
  3. Step 3: Cross multiply
    536,532.87x = 740,415.15 × 294,831.03
  4. Step 4: Simplify right side
    536,532.87x = 218,297,363,890.22
  5. Step 5: Solve for x
    x = 218,297,363,890.22/536,532.87
  6. Step 6: Final answer
    x = 406,866.71

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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.