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Finding the Fourth Proportional to 395,582.84, 593,430.81 and 122,052.22

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Solution

The fourth proportional to 395,582.84, 593,430.81 and 122,052.22 is: 183,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,582.84 : 593,430.81 = 122,052.22 : x
  2. Step 2: Convert to fraction form
    395,582.84/593,430.81 = 122,052.22/x
  3. Step 3: Cross multiply
    395,582.84x = 593,430.81 × 122,052.22
  4. Step 4: Simplify right side
    395,582.84x = 72,429,545,835.63
  5. Step 5: Solve for x
    x = 72,429,545,835.63/395,582.84
  6. Step 6: Final answer
    x = 183,095.77

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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.