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Finding the Fourth Proportional to 593,101.02, 818,477.93 and 321,168.91

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Solution

The fourth proportional to 593,101.02, 818,477.93 and 321,168.91 is: 443,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,101.02 : 818,477.93 = 321,168.91 : x
  2. Step 2: Convert to fraction form
    593,101.02/818,477.93 = 321,168.91/x
  3. Step 3: Cross multiply
    593,101.02x = 818,477.93 × 321,168.91
  4. Step 4: Simplify right side
    593,101.02x = 262,869,664,637.16
  5. Step 5: Solve for x
    x = 262,869,664,637.16/593,101.02
  6. Step 6: Final answer
    x = 443,212.30

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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.