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Finding the Fourth Proportional to 593,252.16, 818,686.24 and 321,318.96

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Solution

The fourth proportional to 593,252.16, 818,686.24 and 321,318.96 is: 443,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,252.16 : 818,686.24 = 321,318.96 : x
  2. Step 2: Convert to fraction form
    593,252.16/818,686.24 = 321,318.96/x
  3. Step 3: Cross multiply
    593,252.16x = 818,686.24 × 321,318.96
  4. Step 4: Simplify right side
    593,252.16x = 263,059,411,203.11
  5. Step 5: Solve for x
    x = 263,059,411,203.11/593,252.16
  6. Step 6: Final answer
    x = 443,419.22

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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.