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Finding the Fourth Proportional to 603,807.84, 833,333.58 and 389,571.12

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Solution

The fourth proportional to 603,807.84, 833,333.58 and 389,571.12 is: 537,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,807.84 : 833,333.58 = 389,571.12 : x
  2. Step 2: Convert to fraction form
    603,807.84/833,333.58 = 389,571.12/x
  3. Step 3: Cross multiply
    603,807.84x = 833,333.58 × 389,571.12
  4. Step 4: Simplify right side
    603,807.84x = 324,642,696,094.21
  5. Step 5: Solve for x
    x = 324,642,696,094.21/603,807.84
  6. Step 6: Final answer
    x = 537,658.96

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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.