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Finding the Fourth Proportional to 703,958.58, 971,390.91 and 432,037.94

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Solution

The fourth proportional to 703,958.58, 971,390.91 and 432,037.94 is: 596,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,958.58 : 971,390.91 = 432,037.94 : x
  2. Step 2: Convert to fraction form
    703,958.58/971,390.91 = 432,037.94/x
  3. Step 3: Cross multiply
    703,958.58x = 971,390.91 × 432,037.94
  4. Step 4: Simplify right side
    703,958.58x = 419,677,724,454.31
  5. Step 5: Solve for x
    x = 419,677,724,454.31/703,958.58
  6. Step 6: Final answer
    x = 596,168.21

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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.