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Finding the Fourth Proportional to 365,831.02, 548,632.32 and 216,031.24

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Solution

The fourth proportional to 365,831.02, 548,632.32 and 216,031.24 is: 323,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,831.02 : 548,632.32 = 216,031.24 : x
  2. Step 2: Convert to fraction form
    365,831.02/548,632.32 = 216,031.24/x
  3. Step 3: Cross multiply
    365,831.02x = 548,632.32 × 216,031.24
  4. Step 4: Simplify right side
    365,831.02x = 118,521,720,393.68
  5. Step 5: Solve for x
    x = 118,521,720,393.68/365,831.02
  6. Step 6: Final answer
    x = 323,979.42

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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.