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Finding the Fourth Proportional to 434,682.42, 651,953.69 and 119,065.54

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Solution

The fourth proportional to 434,682.42, 651,953.69 and 119,065.54 is: 178,579.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,682.42 : 651,953.69 = 119,065.54 : x
  2. Step 2: Convert to fraction form
    434,682.42/651,953.69 = 119,065.54/x
  3. Step 3: Cross multiply
    434,682.42x = 651,953.69 × 119,065.54
  4. Step 4: Simplify right side
    434,682.42x = 77,625,218,154.84
  5. Step 5: Solve for x
    x = 77,625,218,154.84/434,682.42
  6. Step 6: Final answer
    x = 178,579.15

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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.