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Finding the Fourth Proportional to 350,909.51, 484,247.03 and 207,671.94

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Solution

The fourth proportional to 350,909.51, 484,247.03 and 207,671.94 is: 286,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,909.51 : 484,247.03 = 207,671.94 : x
  2. Step 2: Convert to fraction form
    350,909.51/484,247.03 = 207,671.94/x
  3. Step 3: Cross multiply
    350,909.51x = 484,247.03 × 207,671.94
  4. Step 4: Simplify right side
    350,909.51x = 100,564,519,120.98
  5. Step 5: Solve for x
    x = 100,564,519,120.98/350,909.51
  6. Step 6: Final answer
    x = 286,582.49

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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.