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Finding the Fourth Proportional to 430,065.40, 593,526.16 and 239,096.56

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Solution

The fourth proportional to 430,065.40, 593,526.16 and 239,096.56 is: 329,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,065.40 : 593,526.16 = 239,096.56 : x
  2. Step 2: Convert to fraction form
    430,065.40/593,526.16 = 239,096.56/x
  3. Step 3: Cross multiply
    430,065.40x = 593,526.16 × 239,096.56
  4. Step 4: Simplify right side
    430,065.40x = 141,910,063,126.01
  5. Step 5: Solve for x
    x = 141,910,063,126.01/430,065.40
  6. Step 6: Final answer
    x = 329,973.22

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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.