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Finding the Fourth Proportional to 437,599.90, 656,341.53 and 122,030.38

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Solution

The fourth proportional to 437,599.90, 656,341.53 and 122,030.38 is: 183,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,599.90 : 656,341.53 = 122,030.38 : x
  2. Step 2: Convert to fraction form
    437,599.90/656,341.53 = 122,030.38/x
  3. Step 3: Cross multiply
    437,599.90x = 656,341.53 × 122,030.38
  4. Step 4: Simplify right side
    437,599.90x = 80,093,606,315.68
  5. Step 5: Solve for x
    x = 80,093,606,315.68/437,599.90
  6. Step 6: Final answer
    x = 183,029.31

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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.